Home / 143,760,981.30-215,494,505.55-70,865,646.90

Finding the Fourth Proportional to 143,760,981.30, 215,494,505.55 and 70,865,646.90

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Solution

The fourth proportional to 143,760,981.30, 215,494,505.55 and 70,865,646.90 is: 106,226,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,760,981.30 : 215,494,505.55 = 70,865,646.90 : x
  2. Step 2: Convert to fraction form
    143,760,981.30/215,494,505.55 = 70,865,646.90/x
  3. Step 3: Cross multiply
    143,760,981.30x = 215,494,505.55 × 70,865,646.90
  4. Step 4: Simplify right side
    143,760,981.30x = 15,271,157,539,196,392
  5. Step 5: Solve for x
    x = 15,271,157,539,196,392/143,760,981.30
  6. Step 6: Final answer
    x = 106,226,024.62

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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.