Home / 99,725,684.64-149,635,897.38-69,067,443.84

Finding the Fourth Proportional to 99,725,684.64, 149,635,897.38 and 69,067,443.84

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Solution

The fourth proportional to 99,725,684.64, 149,635,897.38 and 69,067,443.84 is: 103,633,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,725,684.64 : 149,635,897.38 = 69,067,443.84 : x
  2. Step 2: Convert to fraction form
    99,725,684.64/149,635,897.38 = 69,067,443.84/x
  3. Step 3: Cross multiply
    99,725,684.64x = 149,635,897.38 × 69,067,443.84
  4. Step 4: Simplify right side
    99,725,684.64x = 10,334,968,938,741,154
  5. Step 5: Solve for x
    x = 10,334,968,938,741,154/99,725,684.64
  6. Step 6: Final answer
    x = 103,633,973.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.