Home / 145,615,127.75-218,423,508.12-48,570,568.91

Finding the Fourth Proportional to 145,615,127.75, 218,423,508.12 and 48,570,568.91

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Solution

The fourth proportional to 145,615,127.75, 218,423,508.12 and 48,570,568.91 is: 72,856,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,127.75 : 218,423,508.12 = 48,570,568.91 : x
  2. Step 2: Convert to fraction form
    145,615,127.75/218,423,508.12 = 48,570,568.91/x
  3. Step 3: Cross multiply
    145,615,127.75x = 218,423,508.12 × 48,570,568.91
  4. Step 4: Simplify right side
    145,615,127.75x = 10,608,954,051,614,288
  5. Step 5: Solve for x
    x = 10,608,954,051,614,288/145,615,127.75
  6. Step 6: Final answer
    x = 72,856,125.71

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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.