Home / 136,400,061.17-188,232,159.76-73,676,158.74

Finding the Fourth Proportional to 136,400,061.17, 188,232,159.76 and 73,676,158.74

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Solution

The fourth proportional to 136,400,061.17, 188,232,159.76 and 73,676,158.74 is: 101,673,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,400,061.17 : 188,232,159.76 = 73,676,158.74 : x
  2. Step 2: Convert to fraction form
    136,400,061.17/188,232,159.76 = 73,676,158.74/x
  3. Step 3: Cross multiply
    136,400,061.17x = 188,232,159.76 × 73,676,158.74
  4. Step 4: Simplify right side
    136,400,061.17x = 13,868,222,482,266,608
  5. Step 5: Solve for x
    x = 13,868,222,482,266,608/136,400,061.17
  6. Step 6: Final answer
    x = 101,673,139.76

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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.