Home / 83,037,807.70-124,556,711.55-48,458,713.30

Finding the Fourth Proportional to 83,037,807.70, 124,556,711.55 and 48,458,713.30

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Solution

The fourth proportional to 83,037,807.70, 124,556,711.55 and 48,458,713.30 is: 72,688,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,037,807.70 : 124,556,711.55 = 48,458,713.30 : x
  2. Step 2: Convert to fraction form
    83,037,807.70/124,556,711.55 = 48,458,713.30/x
  3. Step 3: Cross multiply
    83,037,807.70x = 124,556,711.55 × 48,458,713.30
  4. Step 4: Simplify right side
    83,037,807.70x = 6,035,857,974,592,248
  5. Step 5: Solve for x
    x = 6,035,857,974,592,248/83,037,807.70
  6. Step 6: Final answer
    x = 72,688,069.95

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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.