Home / 105,062,501.97-157,655,164.11-75,887,572.05

Finding the Fourth Proportional to 105,062,501.97, 157,655,164.11 and 75,887,572.05

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Solution

The fourth proportional to 105,062,501.97, 157,655,164.11 and 75,887,572.05 is: 113,875,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,062,501.97 : 157,655,164.11 = 75,887,572.05 : x
  2. Step 2: Convert to fraction form
    105,062,501.97/157,655,164.11 = 75,887,572.05/x
  3. Step 3: Cross multiply
    105,062,501.97x = 157,655,164.11 × 75,887,572.05
  4. Step 4: Simplify right side
    105,062,501.97x = 11,964,067,625,452,200
  5. Step 5: Solve for x
    x = 11,964,067,625,452,200/105,062,501.97
  6. Step 6: Final answer
    x = 113,875,715.89

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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.