Home / 118,346,747.40-177,520,121.10-89,648,933.40

Finding the Fourth Proportional to 118,346,747.40, 177,520,121.10 and 89,648,933.40

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Solution

The fourth proportional to 118,346,747.40, 177,520,121.10 and 89,648,933.40 is: 134,473,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346,747.40 : 177,520,121.10 = 89,648,933.40 : x
  2. Step 2: Convert to fraction form
    118,346,747.40/177,520,121.10 = 89,648,933.40/x
  3. Step 3: Cross multiply
    118,346,747.40x = 177,520,121.10 × 89,648,933.40
  4. Step 4: Simplify right side
    118,346,747.40x = 15,914,489,513,653,836
  5. Step 5: Solve for x
    x = 15,914,489,513,653,836/118,346,747.40
  6. Step 6: Final answer
    x = 134,473,400.10

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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.