Home / 67,091,909.20-100,602,434.40-28,710,059.20

Finding the Fourth Proportional to 67,091,909.20, 100,602,434.40 and 28,710,059.20

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Solution

The fourth proportional to 67,091,909.20, 100,602,434.40 and 28,710,059.20 is: 43,049,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,091,909.20 : 100,602,434.40 = 28,710,059.20 : x
  2. Step 2: Convert to fraction form
    67,091,909.20/100,602,434.40 = 28,710,059.20/x
  3. Step 3: Cross multiply
    67,091,909.20x = 100,602,434.40 × 28,710,059.20
  4. Step 4: Simplify right side
    67,091,909.20x = 2,888,301,847,288,116.50
  5. Step 5: Solve for x
    x = 2,888,301,847,288,116.50/67,091,909.20
  6. Step 6: Final answer
    x = 43,049,927.80

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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.