Home / 87,149,871.60-130,724,807.40-26,565,500.40

Finding the Fourth Proportional to 87,149,871.60, 130,724,807.40 and 26,565,500.40

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Solution

The fourth proportional to 87,149,871.60, 130,724,807.40 and 26,565,500.40 is: 39,848,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149,871.60 : 130,724,807.40 = 26,565,500.40 : x
  2. Step 2: Convert to fraction form
    87,149,871.60/130,724,807.40 = 26,565,500.40/x
  3. Step 3: Cross multiply
    87,149,871.60x = 130,724,807.40 × 26,565,500.40
  4. Step 4: Simplify right side
    87,149,871.60x = 3,472,769,923,274,623
  5. Step 5: Solve for x
    x = 3,472,769,923,274,623/87,149,871.60
  6. Step 6: Final answer
    x = 39,848,250.60

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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.