Home / 145,331,314.20-218,300,235.30-122,656,498.20

Finding the Fourth Proportional to 145,331,314.20, 218,300,235.30 and 122,656,498.20

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Solution

The fourth proportional to 145,331,314.20, 218,300,235.30 and 122,656,498.20 is: 184,240,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,331,314.20 : 218,300,235.30 = 122,656,498.20 : x
  2. Step 2: Convert to fraction form
    145,331,314.20/218,300,235.30 = 122,656,498.20/x
  3. Step 3: Cross multiply
    145,331,314.20x = 218,300,235.30 × 122,656,498.20
  4. Step 4: Simplify right side
    145,331,314.20x = 26,775,942,418,134,028
  5. Step 5: Solve for x
    x = 26,775,942,418,134,028/145,331,314.20
  6. Step 6: Final answer
    x = 184,240,695.58

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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.