Home / 67,145,874.30-100,718,811.45-59,209,688.70

Finding the Fourth Proportional to 67,145,874.30, 100,718,811.45 and 59,209,688.70

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Solution

The fourth proportional to 67,145,874.30, 100,718,811.45 and 59,209,688.70 is: 88,814,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,145,874.30 : 100,718,811.45 = 59,209,688.70 : x
  2. Step 2: Convert to fraction form
    67,145,874.30/100,718,811.45 = 59,209,688.70/x
  3. Step 3: Cross multiply
    67,145,874.30x = 100,718,811.45 × 59,209,688.70
  4. Step 4: Simplify right side
    67,145,874.30x = 5,963,529,472,188,496
  5. Step 5: Solve for x
    x = 5,963,529,472,188,496/67,145,874.30
  6. Step 6: Final answer
    x = 88,814,533.05

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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.