Home / 129,329,906.80-194,069,509.80-48,559,039.60

Finding the Fourth Proportional to 129,329,906.80, 194,069,509.80 and 48,559,039.60

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Solution

The fourth proportional to 129,329,906.80, 194,069,509.80 and 48,559,039.60 is: 72,866,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,329,906.80 : 194,069,509.80 = 48,559,039.60 : x
  2. Step 2: Convert to fraction form
    129,329,906.80/194,069,509.80 = 48,559,039.60/x
  3. Step 3: Cross multiply
    129,329,906.80x = 194,069,509.80 × 48,559,039.60
  4. Step 4: Simplify right side
    129,329,906.80x = 9,423,829,011,530,788
  5. Step 5: Solve for x
    x = 9,423,829,011,530,788/129,329,906.80
  6. Step 6: Final answer
    x = 72,866,587.82

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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.