Home / 145,527,442.80-218,291,164.20-72,755,455.20

Finding the Fourth Proportional to 145,527,442.80, 218,291,164.20 and 72,755,455.20

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Solution

The fourth proportional to 145,527,442.80, 218,291,164.20 and 72,755,455.20 is: 109,133,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,527,442.80 : 218,291,164.20 = 72,755,455.20 : x
  2. Step 2: Convert to fraction form
    145,527,442.80/218,291,164.20 = 72,755,455.20/x
  3. Step 3: Cross multiply
    145,527,442.80x = 218,291,164.20 × 72,755,455.20
  4. Step 4: Simplify right side
    145,527,442.80x = 15,881,873,017,508,944
  5. Step 5: Solve for x
    x = 15,881,873,017,508,944/145,527,442.80
  6. Step 6: Final answer
    x = 109,133,182.80

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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.