Home / 68,029,101.06-93,876,113.96-38,656,356.98

Finding the Fourth Proportional to 68,029,101.06, 93,876,113.96 and 38,656,356.98

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Solution

The fourth proportional to 68,029,101.06, 93,876,113.96 and 38,656,356.98 is: 53,343,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029,101.06 : 93,876,113.96 = 38,656,356.98 : x
  2. Step 2: Convert to fraction form
    68,029,101.06/93,876,113.96 = 38,656,356.98/x
  3. Step 3: Cross multiply
    68,029,101.06x = 93,876,113.96 × 38,656,356.98
  4. Step 4: Simplify right side
    68,029,101.06x = 3,628,908,573,132,921
  5. Step 5: Solve for x
    x = 3,628,908,573,132,921/68,029,101.06
  6. Step 6: Final answer
    x = 53,343,473.85

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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.