Home / 90,374,186.22-124,776,436.80-69,428,915.46

Finding the Fourth Proportional to 90,374,186.22, 124,776,436.80 and 69,428,915.46

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Solution

The fourth proportional to 90,374,186.22, 124,776,436.80 and 69,428,915.46 is: 95,858,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374,186.22 : 124,776,436.80 = 69,428,915.46 : x
  2. Step 2: Convert to fraction form
    90,374,186.22/124,776,436.80 = 69,428,915.46/x
  3. Step 3: Cross multiply
    90,374,186.22x = 124,776,436.80 × 69,428,915.46
  4. Step 4: Simplify right side
    90,374,186.22x = 8,663,092,681,987,232
  5. Step 5: Solve for x
    x = 8,663,092,681,987,232/90,374,186.22
  6. Step 6: Final answer
    x = 95,858,043.59

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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.