Home / 118,098,688.20-177,148,032.30-100,879,999.80

Finding the Fourth Proportional to 118,098,688.20, 177,148,032.30 and 100,879,999.80

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Solution

The fourth proportional to 118,098,688.20, 177,148,032.30 and 100,879,999.80 is: 151,319,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,688.20 : 177,148,032.30 = 100,879,999.80 : x
  2. Step 2: Convert to fraction form
    118,098,688.20/177,148,032.30 = 100,879,999.80/x
  3. Step 3: Cross multiply
    118,098,688.20x = 177,148,032.30 × 100,879,999.80
  4. Step 4: Simplify right side
    118,098,688.20x = 17,870,693,462,994,394
  5. Step 5: Solve for x
    x = 17,870,693,462,994,394/118,098,688.20
  6. Step 6: Final answer
    x = 151,319,999.70

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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.