Home / 99,943,064.25-137,956,101.90-68,684,588.34

Finding the Fourth Proportional to 99,943,064.25, 137,956,101.90 and 68,684,588.34

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Solution

The fourth proportional to 99,943,064.25, 137,956,101.90 and 68,684,588.34 is: 94,808,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943,064.25 : 137,956,101.90 = 68,684,588.34 : x
  2. Step 2: Convert to fraction form
    99,943,064.25/137,956,101.90 = 68,684,588.34/x
  3. Step 3: Cross multiply
    99,943,064.25x = 137,956,101.90 × 68,684,588.34
  4. Step 4: Simplify right side
    99,943,064.25x = 9,475,458,067,992,592
  5. Step 5: Solve for x
    x = 9,475,458,067,992,592/99,943,064.25
  6. Step 6: Final answer
    x = 94,808,560.64

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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.