Home / 96,794,368.20-145,191,552.30-86,212,787.40

Finding the Fourth Proportional to 96,794,368.20, 145,191,552.30 and 86,212,787.40

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Solution

The fourth proportional to 96,794,368.20, 145,191,552.30 and 86,212,787.40 is: 129,319,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,794,368.20 : 145,191,552.30 = 86,212,787.40 : x
  2. Step 2: Convert to fraction form
    96,794,368.20/145,191,552.30 = 86,212,787.40/x
  3. Step 3: Cross multiply
    96,794,368.20x = 145,191,552.30 × 86,212,787.40
  4. Step 4: Simplify right side
    96,794,368.20x = 12,517,368,430,715,882
  5. Step 5: Solve for x
    x = 12,517,368,430,715,882/96,794,368.20
  6. Step 6: Final answer
    x = 129,319,181.10

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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.