Home / 89,490,407.28-123,506,237.88-54,703,460.40

Finding the Fourth Proportional to 89,490,407.28, 123,506,237.88 and 54,703,460.40

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Solution

The fourth proportional to 89,490,407.28, 123,506,237.88 and 54,703,460.40 is: 75,496,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490,407.28 : 123,506,237.88 = 54,703,460.40 : x
  2. Step 2: Convert to fraction form
    89,490,407.28/123,506,237.88 = 54,703,460.40/x
  3. Step 3: Cross multiply
    89,490,407.28x = 123,506,237.88 × 54,703,460.40
  4. Step 4: Simplify right side
    89,490,407.28x = 6,756,218,593,021,560
  5. Step 5: Solve for x
    x = 6,756,218,593,021,560/89,490,407.28
  6. Step 6: Final answer
    x = 75,496,567.71

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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.