Home / 121,237,337.20-181,856,005.80-82,973,585.20

Finding the Fourth Proportional to 121,237,337.20, 181,856,005.80 and 82,973,585.20

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Solution

The fourth proportional to 121,237,337.20, 181,856,005.80 and 82,973,585.20 is: 124,460,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,237,337.20 : 181,856,005.80 = 82,973,585.20 : x
  2. Step 2: Convert to fraction form
    121,237,337.20/181,856,005.80 = 82,973,585.20/x
  3. Step 3: Cross multiply
    121,237,337.20x = 181,856,005.80 × 82,973,585.20
  4. Step 4: Simplify right side
    121,237,337.20x = 15,089,244,791,377,996
  5. Step 5: Solve for x
    x = 15,089,244,791,377,996/121,237,337.20
  6. Step 6: Final answer
    x = 124,460,377.80

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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.