Home / 162,078,116.81-243,123,901.18-47,062,659.13

Finding the Fourth Proportional to 162,078,116.81, 243,123,901.18 and 47,062,659.13

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Solution

The fourth proportional to 162,078,116.81, 243,123,901.18 and 47,062,659.13 is: 70,595,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,078,116.81 : 243,123,901.18 = 47,062,659.13 : x
  2. Step 2: Convert to fraction form
    162,078,116.81/243,123,901.18 = 47,062,659.13/x
  3. Step 3: Cross multiply
    162,078,116.81x = 243,123,901.18 × 47,062,659.13
  4. Step 4: Simplify right side
    162,078,116.81x = 11,442,057,288,431,326
  5. Step 5: Solve for x
    x = 11,442,057,288,431,326/162,078,116.81
  6. Step 6: Final answer
    x = 70,595,941.72

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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.