Home / 162,281,468.28-242,840,343.78-140,496,779.64

Finding the Fourth Proportional to 162,281,468.28, 242,840,343.78 and 140,496,779.64

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Solution

The fourth proportional to 162,281,468.28, 242,840,343.78 and 140,496,779.64 is: 210,241,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,281,468.28 : 242,840,343.78 = 140,496,779.64 : x
  2. Step 2: Convert to fraction form
    162,281,468.28/242,840,343.78 = 140,496,779.64/x
  3. Step 3: Cross multiply
    162,281,468.28x = 242,840,343.78 × 140,496,779.64
  4. Step 4: Simplify right side
    162,281,468.28x = 34,118,286,267,760,500
  5. Step 5: Solve for x
    x = 34,118,286,267,760,500/162,281,468.28
  6. Step 6: Final answer
    x = 210,241,419.61

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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.