Home / 86,323,612.40-129,375,193.80-35,147,812.40

Finding the Fourth Proportional to 86,323,612.40, 129,375,193.80 and 35,147,812.40

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Solution

The fourth proportional to 86,323,612.40, 129,375,193.80 and 35,147,812.40 is: 52,676,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323,612.40 : 129,375,193.80 = 35,147,812.40 : x
  2. Step 2: Convert to fraction form
    86,323,612.40/129,375,193.80 = 35,147,812.40/x
  3. Step 3: Cross multiply
    86,323,612.40x = 129,375,193.80 × 35,147,812.40
  4. Step 4: Simplify right side
    86,323,612.40x = 4,547,255,040,896,043
  5. Step 5: Solve for x
    x = 4,547,255,040,896,043/86,323,612.40
  6. Step 6: Final answer
    x = 52,676,839.10

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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.