Home / 145,516,781.80-218,305,499.10-48,502,628.20

Finding the Fourth Proportional to 145,516,781.80, 218,305,499.10 and 48,502,628.20

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Solution

The fourth proportional to 145,516,781.80, 218,305,499.10 and 48,502,628.20 is: 72,764,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,516,781.80 : 218,305,499.10 = 48,502,628.20 : x
  2. Step 2: Convert to fraction form
    145,516,781.80/218,305,499.10 = 48,502,628.20/x
  3. Step 3: Cross multiply
    145,516,781.80x = 218,305,499.10 × 48,502,628.20
  4. Step 4: Simplify right side
    145,516,781.80x = 10,588,390,456,862,734
  5. Step 5: Solve for x
    x = 10,588,390,456,862,734/145,516,781.80
  6. Step 6: Final answer
    x = 72,764,050.48

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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.