Home / 60,726,787.20-91,090,180.80-54,869,126.40

Finding the Fourth Proportional to 60,726,787.20, 91,090,180.80 and 54,869,126.40

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Solution

The fourth proportional to 60,726,787.20, 91,090,180.80 and 54,869,126.40 is: 82,303,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,726,787.20 : 91,090,180.80 = 54,869,126.40 : x
  2. Step 2: Convert to fraction form
    60,726,787.20/91,090,180.80 = 54,869,126.40/x
  3. Step 3: Cross multiply
    60,726,787.20x = 91,090,180.80 × 54,869,126.40
  4. Step 4: Simplify right side
    60,726,787.20x = 4,998,038,644,114,053
  5. Step 5: Solve for x
    x = 4,998,038,644,114,053/60,726,787.20
  6. Step 6: Final answer
    x = 82,303,689.60

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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.