Home / 218,700,551.10-328,098,065.85-65,362,107.90

Finding the Fourth Proportional to 218,700,551.10, 328,098,065.85 and 65,362,107.90

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Solution

The fourth proportional to 218,700,551.10, 328,098,065.85 and 65,362,107.90 is: 98,057,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,700,551.10 : 328,098,065.85 = 65,362,107.90 : x
  2. Step 2: Convert to fraction form
    218,700,551.10/328,098,065.85 = 65,362,107.90/x
  3. Step 3: Cross multiply
    218,700,551.10x = 328,098,065.85 × 65,362,107.90
  4. Step 4: Simplify right side
    218,700,551.10x = 21,445,181,181,869,008
  5. Step 5: Solve for x
    x = 21,445,181,181,869,008/218,700,551.10
  6. Step 6: Final answer
    x = 98,057,280.03

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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.