Home / 242,235,909.60-362,920,838.40-147,416,337.60

Finding the Fourth Proportional to 242,235,909.60, 362,920,838.40 and 147,416,337.60

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Solution

The fourth proportional to 242,235,909.60, 362,920,838.40 and 147,416,337.60 is: 220,860,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,235,909.60 : 362,920,838.40 = 147,416,337.60 : x
  2. Step 2: Convert to fraction form
    242,235,909.60/362,920,838.40 = 147,416,337.60/x
  3. Step 3: Cross multiply
    242,235,909.60x = 362,920,838.40 × 147,416,337.60
  4. Step 4: Simplify right side
    242,235,909.60x = 53,500,460,835,649,440
  5. Step 5: Solve for x
    x = 53,500,460,835,649,440/242,235,909.60
  6. Step 6: Final answer
    x = 220,860,981.86

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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.