Home / 86,617,500.27-129,883,735.07-42,847,687.35

Finding the Fourth Proportional to 86,617,500.27, 129,883,735.07 and 42,847,687.35

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Solution

The fourth proportional to 86,617,500.27, 129,883,735.07 and 42,847,687.35 is: 64,250,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,617,500.27 : 129,883,735.07 = 42,847,687.35 : x
  2. Step 2: Convert to fraction form
    86,617,500.27/129,883,735.07 = 42,847,687.35/x
  3. Step 3: Cross multiply
    86,617,500.27x = 129,883,735.07 × 42,847,687.35
  4. Step 4: Simplify right side
    86,617,500.27x = 5,565,217,671,915,352
  5. Step 5: Solve for x
    x = 5,565,217,671,915,352/86,617,500.27
  6. Step 6: Final answer
    x = 64,250,499.66

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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.