Home / 85,988,001.11-128,972,342.55-23,748,163.70

Finding the Fourth Proportional to 85,988,001.11, 128,972,342.55 and 23,748,163.70

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Solution

The fourth proportional to 85,988,001.11, 128,972,342.55 and 23,748,163.70 is: 35,619,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,988,001.11 : 128,972,342.55 = 23,748,163.70 : x
  2. Step 2: Convert to fraction form
    85,988,001.11/128,972,342.55 = 23,748,163.70/x
  3. Step 3: Cross multiply
    85,988,001.11x = 128,972,342.55 × 23,748,163.70
  4. Step 4: Simplify right side
    85,988,001.11x = 3,062,856,303,005,013.50
  5. Step 5: Solve for x
    x = 3,062,856,303,005,013.50/85,988,001.11
  6. Step 6: Final answer
    x = 35,619,577.89

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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.