Home / 85,885,774.29-128,909,373.08-44,974,572.93

Finding the Fourth Proportional to 85,885,774.29, 128,909,373.08 and 44,974,572.93

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Solution

The fourth proportional to 85,885,774.29, 128,909,373.08 and 44,974,572.93 is: 67,504,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,885,774.29 : 128,909,373.08 = 44,974,572.93 : x
  2. Step 2: Convert to fraction form
    85,885,774.29/128,909,373.08 = 44,974,572.93/x
  3. Step 3: Cross multiply
    85,885,774.29x = 128,909,373.08 × 44,974,572.93
  4. Step 4: Simplify right side
    85,885,774.29x = 5,797,644,000,722,166
  5. Step 5: Solve for x
    x = 5,797,644,000,722,166/85,885,774.29
  6. Step 6: Final answer
    x = 67,504,124.50

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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.