Home / 289,631,718.30-434,447,577.45-167,187,711.90

Finding the Fourth Proportional to 289,631,718.30, 434,447,577.45 and 167,187,711.90

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Solution

The fourth proportional to 289,631,718.30, 434,447,577.45 and 167,187,711.90 is: 250,781,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,631,718.30 : 434,447,577.45 = 167,187,711.90 : x
  2. Step 2: Convert to fraction form
    289,631,718.30/434,447,577.45 = 167,187,711.90/x
  3. Step 3: Cross multiply
    289,631,718.30x = 434,447,577.45 × 167,187,711.90
  4. Step 4: Simplify right side
    289,631,718.30x = 72,634,296,414,363,536
  5. Step 5: Solve for x
    x = 72,634,296,414,363,536/289,631,718.30
  6. Step 6: Final answer
    x = 250,781,567.85

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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.