Home / 314,841,612.03-434,494,565.42-173,721,986.91

Finding the Fourth Proportional to 314,841,612.03, 434,494,565.42 and 173,721,986.91

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Solution

The fourth proportional to 314,841,612.03, 434,494,565.42 and 173,721,986.91 is: 239,743,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,841,612.03 : 434,494,565.42 = 173,721,986.91 : x
  2. Step 2: Convert to fraction form
    314,841,612.03/434,494,565.42 = 173,721,986.91/x
  3. Step 3: Cross multiply
    314,841,612.03x = 434,494,565.42 × 173,721,986.91
  4. Step 4: Simplify right side
    314,841,612.03x = 75,481,259,205,490,768
  5. Step 5: Solve for x
    x = 75,481,259,205,490,768/314,841,612.03
  6. Step 6: Final answer
    x = 239,743,592.72

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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.