Home / 83,145,272.80-124,717,909.20-52,534,271.20

Finding the Fourth Proportional to 83,145,272.80, 124,717,909.20 and 52,534,271.20

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Solution

The fourth proportional to 83,145,272.80, 124,717,909.20 and 52,534,271.20 is: 78,801,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,145,272.80 : 124,717,909.20 = 52,534,271.20 : x
  2. Step 2: Convert to fraction form
    83,145,272.80/124,717,909.20 = 52,534,271.20/x
  3. Step 3: Cross multiply
    83,145,272.80x = 124,717,909.20 × 52,534,271.20
  4. Step 4: Simplify right side
    83,145,272.80x = 6,551,964,465,409,776
  5. Step 5: Solve for x
    x = 6,551,964,465,409,776/83,145,272.80
  6. Step 6: Final answer
    x = 78,801,406.80

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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.