Home / 140,974,657.12-211,505,285.22-67,292,459.20

Finding the Fourth Proportional to 140,974,657.12, 211,505,285.22 and 67,292,459.20

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Solution

The fourth proportional to 140,974,657.12, 211,505,285.22 and 67,292,459.20 is: 100,959,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,974,657.12 : 211,505,285.22 = 67,292,459.20 : x
  2. Step 2: Convert to fraction form
    140,974,657.12/211,505,285.22 = 67,292,459.20/x
  3. Step 3: Cross multiply
    140,974,657.12x = 211,505,285.22 × 67,292,459.20
  4. Step 4: Simplify right side
    140,974,657.12x = 14,232,710,776,251,214
  5. Step 5: Solve for x
    x = 14,232,710,776,251,214/140,974,657.12
  6. Step 6: Final answer
    x = 100,959,357.28

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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.