Home / 101,570,545.29-152,097,178.44-66,921,902.28

Finding the Fourth Proportional to 101,570,545.29, 152,097,178.44 and 66,921,902.28

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Solution

The fourth proportional to 101,570,545.29, 152,097,178.44 and 66,921,902.28 is: 100,212,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,570,545.29 : 152,097,178.44 = 66,921,902.28 : x
  2. Step 2: Convert to fraction form
    101,570,545.29/152,097,178.44 = 66,921,902.28/x
  3. Step 3: Cross multiply
    101,570,545.29x = 152,097,178.44 × 66,921,902.28
  4. Step 4: Simplify right side
    101,570,545.29x = 10,178,632,512,625,402
  5. Step 5: Solve for x
    x = 10,178,632,512,625,402/101,570,545.29
  6. Step 6: Final answer
    x = 100,212,443.32

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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.