Home / 312,040,280.70-468,060,421.05-158,985,272.70

Finding the Fourth Proportional to 312,040,280.70, 468,060,421.05 and 158,985,272.70

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Solution

The fourth proportional to 312,040,280.70, 468,060,421.05 and 158,985,272.70 is: 238,477,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,040,280.70 : 468,060,421.05 = 158,985,272.70 : x
  2. Step 2: Convert to fraction form
    312,040,280.70/468,060,421.05 = 158,985,272.70/x
  3. Step 3: Cross multiply
    312,040,280.70x = 468,060,421.05 × 158,985,272.70
  4. Step 4: Simplify right side
    312,040,280.70x = 74,414,713,680,711,072
  5. Step 5: Solve for x
    x = 74,414,713,680,711,072/312,040,280.70
  6. Step 6: Final answer
    x = 238,477,909.05

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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.