Home / 90,896,099,386.40-136,344,149,079.60-84,697,371,562.40

Finding the Fourth Proportional to 90,896,099,386.40, 136,344,149,079.60 and 84,697,371,562.40

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Solution

The fourth proportional to 90,896,099,386.40, 136,344,149,079.60 and 84,697,371,562.40 is: 127,046,057,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,896,099,386.40 : 136,344,149,079.60 = 84,697,371,562.40 : x
  2. Step 2: Convert to fraction form
    90,896,099,386.40/136,344,149,079.60 = 84,697,371,562.40/x
  3. Step 3: Cross multiply
    90,896,099,386.40x = 136,344,149,079.60 × 84,697,371,562.40
  4. Step 4: Simplify right side
    90,896,099,386.40x = 11,547,991,054,954,138,697,728
  5. Step 5: Solve for x
    x = 11,547,991,054,954,138,697,728/90,896,099,386.40
  6. Step 6: Final answer
    x = 127,046,057,343.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.