Home / 124,892,071.04-172,352,421.65-69,138,422.73

Finding the Fourth Proportional to 124,892,071.04, 172,352,421.65 and 69,138,422.73

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Solution

The fourth proportional to 124,892,071.04, 172,352,421.65 and 69,138,422.73 is: 95,411,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,892,071.04 : 172,352,421.65 = 69,138,422.73 : x
  2. Step 2: Convert to fraction form
    124,892,071.04/172,352,421.65 = 69,138,422.73/x
  3. Step 3: Cross multiply
    124,892,071.04x = 172,352,421.65 × 69,138,422.73
  4. Step 4: Simplify right side
    124,892,071.04x = 11,916,174,586,231,214
  5. Step 5: Solve for x
    x = 11,916,174,586,231,214/124,892,071.04
  6. Step 6: Final answer
    x = 95,411,778.25

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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.