Home / 74,746,378.80-111,906,991.80-57,598,549.20

Finding the Fourth Proportional to 74,746,378.80, 111,906,991.80 and 57,598,549.20

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Solution

The fourth proportional to 74,746,378.80, 111,906,991.80 and 57,598,549.20 is: 86,234,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746,378.80 : 111,906,991.80 = 57,598,549.20 : x
  2. Step 2: Convert to fraction form
    74,746,378.80/111,906,991.80 = 57,598,549.20/x
  3. Step 3: Cross multiply
    74,746,378.80x = 111,906,991.80 × 57,598,549.20
  4. Step 4: Simplify right side
    74,746,378.80x = 6,445,680,373,016,297
  5. Step 5: Solve for x
    x = 6,445,680,373,016,297/74,746,378.80
  6. Step 6: Final answer
    x = 86,234,015.30

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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.