Home / 90,804,706.68-125,313,142.38-49,554,256.20

Finding the Fourth Proportional to 90,804,706.68, 125,313,142.38 and 49,554,256.20

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Solution

The fourth proportional to 90,804,706.68, 125,313,142.38 and 49,554,256.20 is: 68,386,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,706.68 : 125,313,142.38 = 49,554,256.20 : x
  2. Step 2: Convert to fraction form
    90,804,706.68/125,313,142.38 = 49,554,256.20/x
  3. Step 3: Cross multiply
    90,804,706.68x = 125,313,142.38 × 49,554,256.20
  4. Step 4: Simplify right side
    90,804,706.68x = 6,209,799,562,725,598
  5. Step 5: Solve for x
    x = 6,209,799,562,725,598/90,804,706.68
  6. Step 6: Final answer
    x = 68,386,318.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.