Home / 78,732,176.40-118,098,264.60-27,607,552.20

Finding the Fourth Proportional to 78,732,176.40, 118,098,264.60 and 27,607,552.20

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Solution

The fourth proportional to 78,732,176.40, 118,098,264.60 and 27,607,552.20 is: 41,411,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,176.40 : 118,098,264.60 = 27,607,552.20 : x
  2. Step 2: Convert to fraction form
    78,732,176.40/118,098,264.60 = 27,607,552.20/x
  3. Step 3: Cross multiply
    78,732,176.40x = 118,098,264.60 × 27,607,552.20
  4. Step 4: Simplify right side
    78,732,176.40x = 3,260,404,004,673,912
  5. Step 5: Solve for x
    x = 3,260,404,004,673,912/78,732,176.40
  6. Step 6: Final answer
    x = 41,411,328.30

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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.