Home / 156,352,487.00-215,766,686.25-86,737,870.08

Finding the Fourth Proportional to 156,352,487.00, 215,766,686.25 and 86,737,870.08

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Solution

The fourth proportional to 156,352,487.00, 215,766,686.25 and 86,737,870.08 is: 119,698,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,352,487.00 : 215,766,686.25 = 86,737,870.08 : x
  2. Step 2: Convert to fraction form
    156,352,487.00/215,766,686.25 = 86,737,870.08/x
  3. Step 3: Cross multiply
    156,352,487.00x = 215,766,686.25 × 86,737,870.08
  4. Step 4: Simplify right side
    156,352,487.00x = 18,715,142,799,544,624
  5. Step 5: Solve for x
    x = 18,715,142,799,544,624/156,352,487.00
  6. Step 6: Final answer
    x = 119,698,401.73

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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.