Home / 115,941,742.88-159,998,662.04-63,730,223.42

Finding the Fourth Proportional to 115,941,742.88, 159,998,662.04 and 63,730,223.42

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Solution

The fourth proportional to 115,941,742.88, 159,998,662.04 and 63,730,223.42 is: 87,947,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941,742.88 : 159,998,662.04 = 63,730,223.42 : x
  2. Step 2: Convert to fraction form
    115,941,742.88/159,998,662.04 = 63,730,223.42/x
  3. Step 3: Cross multiply
    115,941,742.88x = 159,998,662.04 × 63,730,223.42
  4. Step 4: Simplify right side
    115,941,742.88x = 10,196,750,479,269,594
  5. Step 5: Solve for x
    x = 10,196,750,479,269,594/115,941,742.88
  6. Step 6: Final answer
    x = 87,947,189.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.