Home / 376,236,985.46-564,428,155.84-143,049,566.03

Finding the Fourth Proportional to 376,236,985.46, 564,428,155.84 and 143,049,566.03

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Solution

The fourth proportional to 376,236,985.46, 564,428,155.84 and 143,049,566.03 is: 214,601,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,236,985.46 : 564,428,155.84 = 143,049,566.03 : x
  2. Step 2: Convert to fraction form
    376,236,985.46/564,428,155.84 = 143,049,566.03/x
  3. Step 3: Cross multiply
    376,236,985.46x = 564,428,155.84 × 143,049,566.03
  4. Step 4: Simplify right side
    376,236,985.46x = 80,741,202,744,845,440
  5. Step 5: Solve for x
    x = 80,741,202,744,845,440/376,236,985.46
  6. Step 6: Final answer
    x = 214,601,981.91

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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.