Home / 55,732,787.20-83,599,180.80-19,329,078.70

Finding the Fourth Proportional to 55,732,787.20, 83,599,180.80 and 19,329,078.70

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Solution

The fourth proportional to 55,732,787.20, 83,599,180.80 and 19,329,078.70 is: 28,993,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732,787.20 : 83,599,180.80 = 19,329,078.70 : x
  2. Step 2: Convert to fraction form
    55,732,787.20/83,599,180.80 = 19,329,078.70/x
  3. Step 3: Cross multiply
    55,732,787.20x = 83,599,180.80 × 19,329,078.70
  4. Step 4: Simplify right side
    55,732,787.20x = 1,615,895,144,938,728.75
  5. Step 5: Solve for x
    x = 1,615,895,144,938,728.75/55,732,787.20
  6. Step 6: Final answer
    x = 28,993,618.05

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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.