Home / 185,812,807.20-278,719,210.80-167,318,660.40

Finding the Fourth Proportional to 185,812,807.20, 278,719,210.80 and 167,318,660.40

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Solution

The fourth proportional to 185,812,807.20, 278,719,210.80 and 167,318,660.40 is: 250,977,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,812,807.20 : 278,719,210.80 = 167,318,660.40 : x
  2. Step 2: Convert to fraction form
    185,812,807.20/278,719,210.80 = 167,318,660.40/x
  3. Step 3: Cross multiply
    185,812,807.20x = 278,719,210.80 × 167,318,660.40
  4. Step 4: Simplify right side
    185,812,807.20x = 46,634,924,978,801,216
  5. Step 5: Solve for x
    x = 46,634,924,978,801,216/185,812,807.20
  6. Step 6: Final answer
    x = 250,977,990.60

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1.5x scale

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.