Home / 145,763,240.70-218,728,841.85-54,952,002.30

Finding the Fourth Proportional to 145,763,240.70, 218,728,841.85 and 54,952,002.30

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Solution

The fourth proportional to 145,763,240.70, 218,728,841.85 and 54,952,002.30 is: 82,459,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,763,240.70 : 218,728,841.85 = 54,952,002.30 : x
  2. Step 2: Convert to fraction form
    145,763,240.70/218,728,841.85 = 54,952,002.30/x
  3. Step 3: Cross multiply
    145,763,240.70x = 218,728,841.85 × 54,952,002.30
  4. Step 4: Simplify right side
    145,763,240.70x = 12,019,587,820,417,536
  5. Step 5: Solve for x
    x = 12,019,587,820,417,536/145,763,240.70
  6. Step 6: Final answer
    x = 82,459,663.79

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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.