Home / 147,298,921.20-220,948,381.80-89,903,293.20

Finding the Fourth Proportional to 147,298,921.20, 220,948,381.80 and 89,903,293.20

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Solution

The fourth proportional to 147,298,921.20, 220,948,381.80 and 89,903,293.20 is: 134,854,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,298,921.20 : 220,948,381.80 = 89,903,293.20 : x
  2. Step 2: Convert to fraction form
    147,298,921.20/220,948,381.80 = 89,903,293.20/x
  3. Step 3: Cross multiply
    147,298,921.20x = 220,948,381.80 × 89,903,293.20
  4. Step 4: Simplify right side
    147,298,921.20x = 19,863,987,151,030,944
  5. Step 5: Solve for x
    x = 19,863,987,151,030,944/147,298,921.20
  6. Step 6: Final answer
    x = 134,854,939.80

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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.