Home / 120,666,203.12-181,027,643.88-39,887,168.24

Finding the Fourth Proportional to 120,666,203.12, 181,027,643.88 and 39,887,168.24

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Solution

The fourth proportional to 120,666,203.12, 181,027,643.88 and 39,887,168.24 is: 59,840,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,666,203.12 : 181,027,643.88 = 39,887,168.24 : x
  2. Step 2: Convert to fraction form
    120,666,203.12/181,027,643.88 = 39,887,168.24/x
  3. Step 3: Cross multiply
    120,666,203.12x = 181,027,643.88 × 39,887,168.24
  4. Step 4: Simplify right side
    120,666,203.12x = 7,220,680,087,532,367
  5. Step 5: Solve for x
    x = 7,220,680,087,532,367/120,666,203.12
  6. Step 6: Final answer
    x = 59,840,120.11

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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.