Home / 148,850,108.65-205,413,320.23-82,769,188.13

Finding the Fourth Proportional to 148,850,108.65, 205,413,320.23 and 82,769,188.13

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Solution

The fourth proportional to 148,850,108.65, 205,413,320.23 and 82,769,188.13 is: 114,221,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,850,108.65 : 205,413,320.23 = 82,769,188.13 : x
  2. Step 2: Convert to fraction form
    148,850,108.65/205,413,320.23 = 82,769,188.13/x
  3. Step 3: Cross multiply
    148,850,108.65x = 205,413,320.23 × 82,769,188.13
  4. Step 4: Simplify right side
    148,850,108.65x = 17,001,893,746,371,498
  5. Step 5: Solve for x
    x = 17,001,893,746,371,498/148,850,108.65
  6. Step 6: Final answer
    x = 114,221,574.31

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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.