Home / 118,773,085.20-178,159,627.80-60,660,011.85

Finding the Fourth Proportional to 118,773,085.20, 178,159,627.80 and 60,660,011.85

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Solution

The fourth proportional to 118,773,085.20, 178,159,627.80 and 60,660,011.85 is: 90,990,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,773,085.20 : 178,159,627.80 = 60,660,011.85 : x
  2. Step 2: Convert to fraction form
    118,773,085.20/178,159,627.80 = 60,660,011.85/x
  3. Step 3: Cross multiply
    118,773,085.20x = 178,159,627.80 × 60,660,011.85
  4. Step 4: Simplify right side
    118,773,085.20x = 10,807,165,133,539,590
  5. Step 5: Solve for x
    x = 10,807,165,133,539,590/118,773,085.20
  6. Step 6: Final answer
    x = 90,990,017.78

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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.