Home / 48,385,867.60-72,578,801.40-39,875,813.20

Finding the Fourth Proportional to 48,385,867.60, 72,578,801.40 and 39,875,813.20

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Solution

The fourth proportional to 48,385,867.60, 72,578,801.40 and 39,875,813.20 is: 59,813,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,867.60 : 72,578,801.40 = 39,875,813.20 : x
  2. Step 2: Convert to fraction form
    48,385,867.60/72,578,801.40 = 39,875,813.20/x
  3. Step 3: Cross multiply
    48,385,867.60x = 72,578,801.40 × 39,875,813.20
  4. Step 4: Simplify right side
    48,385,867.60x = 2,894,138,726,906,299
  5. Step 5: Solve for x
    x = 2,894,138,726,906,299/48,385,867.60
  6. Step 6: Final answer
    x = 59,813,719.80

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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.