Home / 103,331,734.36-155,016,672.18-42,752,184.28

Finding the Fourth Proportional to 103,331,734.36, 155,016,672.18 and 42,752,184.28

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Solution

The fourth proportional to 103,331,734.36, 155,016,672.18 and 42,752,184.28 is: 64,136,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331,734.36 : 155,016,672.18 = 42,752,184.28 : x
  2. Step 2: Convert to fraction form
    103,331,734.36/155,016,672.18 = 42,752,184.28/x
  3. Step 3: Cross multiply
    103,331,734.36x = 155,016,672.18 × 42,752,184.28
  4. Step 4: Simplify right side
    103,331,734.36x = 6,627,301,334,963,848
  5. Step 5: Solve for x
    x = 6,627,301,334,963,848/103,331,734.36
  6. Step 6: Final answer
    x = 64,136,166.65

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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.