Home / 123,838,276.12-170,896,930.34-68,084,645.11

Finding the Fourth Proportional to 123,838,276.12, 170,896,930.34 and 68,084,645.11

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Solution

The fourth proportional to 123,838,276.12, 170,896,930.34 and 68,084,645.11 is: 93,956,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838,276.12 : 170,896,930.34 = 68,084,645.11 : x
  2. Step 2: Convert to fraction form
    123,838,276.12/170,896,930.34 = 68,084,645.11/x
  3. Step 3: Cross multiply
    123,838,276.12x = 170,896,930.34 × 68,084,645.11
  4. Step 4: Simplify right side
    123,838,276.12x = 11,635,456,852,686,140
  5. Step 5: Solve for x
    x = 11,635,456,852,686,140/123,838,276.12
  6. Step 6: Final answer
    x = 93,956,870.34

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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.