Home / 143,856,656.10-215,784,984.15-131,952,377.70

Finding the Fourth Proportional to 143,856,656.10, 215,784,984.15 and 131,952,377.70

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Solution

The fourth proportional to 143,856,656.10, 215,784,984.15 and 131,952,377.70 is: 197,928,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,656.10 : 215,784,984.15 = 131,952,377.70 : x
  2. Step 2: Convert to fraction form
    143,856,656.10/215,784,984.15 = 131,952,377.70/x
  3. Step 3: Cross multiply
    143,856,656.10x = 215,784,984.15 × 131,952,377.70
  4. Step 4: Simplify right side
    143,856,656.10x = 28,473,341,730,549,316
  5. Step 5: Solve for x
    x = 28,473,341,730,549,316/143,856,656.10
  6. Step 6: Final answer
    x = 197,928,566.55

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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.