Home / 131,341,002.12-181,241,945.88-75,577,422.24

Finding the Fourth Proportional to 131,341,002.12, 181,241,945.88 and 75,577,422.24

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Solution

The fourth proportional to 131,341,002.12, 181,241,945.88 and 75,577,422.24 is: 104,291,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,341,002.12 : 181,241,945.88 = 75,577,422.24 : x
  2. Step 2: Convert to fraction form
    131,341,002.12/181,241,945.88 = 75,577,422.24/x
  3. Step 3: Cross multiply
    131,341,002.12x = 181,241,945.88 × 75,577,422.24
  4. Step 4: Simplify right side
    131,341,002.12x = 13,697,799,071,371,988
  5. Step 5: Solve for x
    x = 13,697,799,071,371,988/131,341,002.12
  6. Step 6: Final answer
    x = 104,291,872.68

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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.