Home / 83,156,276.80-124,545,458.40-52,545,275.20

Finding the Fourth Proportional to 83,156,276.80, 124,545,458.40 and 52,545,275.20

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Solution

The fourth proportional to 83,156,276.80, 124,545,458.40 and 52,545,275.20 is: 78,698,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,156,276.80 : 124,545,458.40 = 52,545,275.20 : x
  2. Step 2: Convert to fraction form
    83,156,276.80/124,545,458.40 = 52,545,275.20/x
  3. Step 3: Cross multiply
    83,156,276.80x = 124,545,458.40 × 52,545,275.20
  4. Step 4: Simplify right side
    83,156,276.80x = 6,544,275,386,538,152
  5. Step 5: Solve for x
    x = 6,544,275,386,538,152/83,156,276.80
  6. Step 6: Final answer
    x = 78,698,513.67

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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.