Home / 259,506,979.55-358,118,342.84-140,429,487.86

Finding the Fourth Proportional to 259,506,979.55, 358,118,342.84 and 140,429,487.86

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Solution

The fourth proportional to 259,506,979.55, 358,118,342.84 and 140,429,487.86 is: 193,791,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,506,979.55 : 358,118,342.84 = 140,429,487.86 : x
  2. Step 2: Convert to fraction form
    259,506,979.55/358,118,342.84 = 140,429,487.86/x
  3. Step 3: Cross multiply
    259,506,979.55x = 358,118,342.84 × 140,429,487.86
  4. Step 4: Simplify right side
    259,506,979.55x = 50,290,375,475,800,352
  5. Step 5: Solve for x
    x = 50,290,375,475,800,352/259,506,979.55
  6. Step 6: Final answer
    x = 193,791,995.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.