Home / 280,953,200.10-421,429,800.15-119,374,140.90

Finding the Fourth Proportional to 280,953,200.10, 421,429,800.15 and 119,374,140.90

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Solution

The fourth proportional to 280,953,200.10, 421,429,800.15 and 119,374,140.90 is: 179,061,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,953,200.10 : 421,429,800.15 = 119,374,140.90 : x
  2. Step 2: Convert to fraction form
    280,953,200.10/421,429,800.15 = 119,374,140.90/x
  3. Step 3: Cross multiply
    280,953,200.10x = 421,429,800.15 × 119,374,140.90
  4. Step 4: Simplify right side
    280,953,200.10x = 50,307,820,342,564,944
  5. Step 5: Solve for x
    x = 50,307,820,342,564,944/280,953,200.10
  6. Step 6: Final answer
    x = 179,061,211.35

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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.