Home / 140,974,656.12-211,505,283.72-67,292,458.20

Finding the Fourth Proportional to 140,974,656.12, 211,505,283.72 and 67,292,458.20

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Solution

The fourth proportional to 140,974,656.12, 211,505,283.72 and 67,292,458.20 is: 100,959,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,974,656.12 : 211,505,283.72 = 67,292,458.20 : x
  2. Step 2: Convert to fraction form
    140,974,656.12/211,505,283.72 = 67,292,458.20/x
  3. Step 3: Cross multiply
    140,974,656.12x = 211,505,283.72 × 67,292,458.20
  4. Step 4: Simplify right side
    140,974,656.12x = 14,232,710,463,807,242
  5. Step 5: Solve for x
    x = 14,232,710,463,807,242/140,974,656.12
  6. Step 6: Final answer
    x = 100,959,355.78

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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.