Home / 145,481,562.96-200,761,711.08-79,402,534.89

Finding the Fourth Proportional to 145,481,562.96, 200,761,711.08 and 79,402,534.89

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Solution

The fourth proportional to 145,481,562.96, 200,761,711.08 and 79,402,534.89 is: 109,573,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,481,562.96 : 200,761,711.08 = 79,402,534.89 : x
  2. Step 2: Convert to fraction form
    145,481,562.96/200,761,711.08 = 79,402,534.89/x
  3. Step 3: Cross multiply
    145,481,562.96x = 200,761,711.08 × 79,402,534.89
  4. Step 4: Simplify right side
    145,481,562.96x = 15,940,988,768,605,800
  5. Step 5: Solve for x
    x = 15,940,988,768,605,800/145,481,562.96
  6. Step 6: Final answer
    x = 109,573,944.93

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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.