Home / 149,232,120.30-205,940,752.56-86,520,405.60

Finding the Fourth Proportional to 149,232,120.30, 205,940,752.56 and 86,520,405.60

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Solution

The fourth proportional to 149,232,120.30, 205,940,752.56 and 86,520,405.60 is: 119,398,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,232,120.30 : 205,940,752.56 = 86,520,405.60 : x
  2. Step 2: Convert to fraction form
    149,232,120.30/205,940,752.56 = 86,520,405.60/x
  3. Step 3: Cross multiply
    149,232,120.30x = 205,940,752.56 × 86,520,405.60
  4. Step 4: Simplify right side
    149,232,120.30x = 17,818,077,441,060,438
  5. Step 5: Solve for x
    x = 17,818,077,441,060,438/149,232,120.30
  6. Step 6: Final answer
    x = 119,398,407.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.