Home / 123,838,306.20-170,896,971.84-68,084,675.16

Finding the Fourth Proportional to 123,838,306.20, 170,896,971.84 and 68,084,675.16

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Solution

The fourth proportional to 123,838,306.20, 170,896,971.84 and 68,084,675.16 is: 93,956,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838,306.20 : 170,896,971.84 = 68,084,675.16 : x
  2. Step 2: Convert to fraction form
    123,838,306.20/170,896,971.84 = 68,084,675.16/x
  3. Step 3: Cross multiply
    123,838,306.20x = 170,896,971.84 × 68,084,675.16
  4. Step 4: Simplify right side
    123,838,306.20x = 11,635,464,813,554,068
  5. Step 5: Solve for x
    x = 11,635,464,813,554,068/123,838,306.20
  6. Step 6: Final answer
    x = 93,956,911.80

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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.