Home / 89,137,915.80-122,998,959.70-51,958,893.93

Finding the Fourth Proportional to 89,137,915.80, 122,998,959.70 and 51,958,893.93

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Solution

The fourth proportional to 89,137,915.80, 122,998,959.70 and 51,958,893.93 is: 71,696,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137,915.80 : 122,998,959.70 = 51,958,893.93 : x
  2. Step 2: Convert to fraction form
    89,137,915.80/122,998,959.70 = 51,958,893.93/x
  3. Step 3: Cross multiply
    89,137,915.80x = 122,998,959.70 × 51,958,893.93
  4. Step 4: Simplify right side
    89,137,915.80x = 6,390,889,900,552,645
  5. Step 5: Solve for x
    x = 6,390,889,900,552,645/89,137,915.80
  6. Step 6: Final answer
    x = 71,696,649.44

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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.