Home / 147,854,097.20-221,781,145.80-65,972,817.20

Finding the Fourth Proportional to 147,854,097.20, 221,781,145.80 and 65,972,817.20

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Solution

The fourth proportional to 147,854,097.20, 221,781,145.80 and 65,972,817.20 is: 98,959,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854,097.20 : 221,781,145.80 = 65,972,817.20 : x
  2. Step 2: Convert to fraction form
    147,854,097.20/221,781,145.80 = 65,972,817.20/x
  3. Step 3: Cross multiply
    147,854,097.20x = 221,781,145.80 × 65,972,817.20
  4. Step 4: Simplify right side
    147,854,097.20x = 14,631,526,990,269,950
  5. Step 5: Solve for x
    x = 14,631,526,990,269,950/147,854,097.20
  6. Step 6: Final answer
    x = 98,959,225.80

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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.