Home / 124,642,464,181.98-172,091,036,113.61-78,957,281,121.90

Finding the Fourth Proportional to 124,642,464,181.98, 172,091,036,113.61 and 78,957,281,121.90

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Solution

The fourth proportional to 124,642,464,181.98, 172,091,036,113.61 and 78,957,281,121.90 is: 109,014,535,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,642,464,181.98 : 172,091,036,113.61 = 78,957,281,121.90 : x
  2. Step 2: Convert to fraction form
    124,642,464,181.98/172,091,036,113.61 = 78,957,281,121.90/x
  3. Step 3: Cross multiply
    124,642,464,181.98x = 172,091,036,113.61 × 78,957,281,121.90
  4. Step 4: Simplify right side
    124,642,464,181.98x = 13,587,840,316,981,347,614,720
  5. Step 5: Solve for x
    x = 13,587,840,316,981,347,614,720/124,642,464,181.98
  6. Step 6: Final answer
    x = 109,014,535,344.41

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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.