Home / 94,679,939.70-142,019,909.55-54,369,155.70

Finding the Fourth Proportional to 94,679,939.70, 142,019,909.55 and 54,369,155.70

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Solution

The fourth proportional to 94,679,939.70, 142,019,909.55 and 54,369,155.70 is: 81,553,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679,939.70 : 142,019,909.55 = 54,369,155.70 : x
  2. Step 2: Convert to fraction form
    94,679,939.70/142,019,909.55 = 54,369,155.70/x
  3. Step 3: Cross multiply
    94,679,939.70x = 142,019,909.55 × 54,369,155.70
  4. Step 4: Simplify right side
    94,679,939.70x = 7,721,502,574,823,868
  5. Step 5: Solve for x
    x = 7,721,502,574,823,868/94,679,939.70
  6. Step 6: Final answer
    x = 81,553,733.55

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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.