Home / 145,213,341.10-217,820,011.65-112,334,857.90

Finding the Fourth Proportional to 145,213,341.10, 217,820,011.65 and 112,334,857.90

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Solution

The fourth proportional to 145,213,341.10, 217,820,011.65 and 112,334,857.90 is: 168,502,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,213,341.10 : 217,820,011.65 = 112,334,857.90 : x
  2. Step 2: Convert to fraction form
    145,213,341.10/217,820,011.65 = 112,334,857.90/x
  3. Step 3: Cross multiply
    145,213,341.10x = 217,820,011.65 × 112,334,857.90
  4. Step 4: Simplify right side
    145,213,341.10x = 24,468,780,056,479,096
  5. Step 5: Solve for x
    x = 24,468,780,056,479,096/145,213,341.10
  6. Step 6: Final answer
    x = 168,502,286.85

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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.