Home / 87,048,400.80-130,572,601.20-61,539,232.80

Finding the Fourth Proportional to 87,048,400.80, 130,572,601.20 and 61,539,232.80

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Solution

The fourth proportional to 87,048,400.80, 130,572,601.20 and 61,539,232.80 is: 92,308,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,048,400.80 : 130,572,601.20 = 61,539,232.80 : x
  2. Step 2: Convert to fraction form
    87,048,400.80/130,572,601.20 = 61,539,232.80/x
  3. Step 3: Cross multiply
    87,048,400.80x = 130,572,601.20 × 61,539,232.80
  4. Step 4: Simplify right side
    87,048,400.80x = 8,035,337,702,548,359
  5. Step 5: Solve for x
    x = 8,035,337,702,548,359/87,048,400.80
  6. Step 6: Final answer
    x = 92,308,849.20

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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.