Home / 103,442,801.10-155,142,428.85-52,276,721.10

Finding the Fourth Proportional to 103,442,801.10, 155,142,428.85 and 52,276,721.10

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Solution

The fourth proportional to 103,442,801.10, 155,142,428.85 and 52,276,721.10 is: 78,404,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,442,801.10 : 155,142,428.85 = 52,276,721.10 : x
  2. Step 2: Convert to fraction form
    103,442,801.10/155,142,428.85 = 52,276,721.10/x
  3. Step 3: Cross multiply
    103,442,801.10x = 155,142,428.85 × 52,276,721.10
  4. Step 4: Simplify right side
    103,442,801.10x = 8,110,337,483,768,044
  5. Step 5: Solve for x
    x = 8,110,337,483,768,044/103,442,801.10
  6. Step 6: Final answer
    x = 78,404,078.37

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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.