Home / 217,764,017.60-326,646,026.40-140,669,643.20

Finding the Fourth Proportional to 217,764,017.60, 326,646,026.40 and 140,669,643.20

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Solution

The fourth proportional to 217,764,017.60, 326,646,026.40 and 140,669,643.20 is: 211,004,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,764,017.60 : 326,646,026.40 = 140,669,643.20 : x
  2. Step 2: Convert to fraction form
    217,764,017.60/326,646,026.40 = 140,669,643.20/x
  3. Step 3: Cross multiply
    217,764,017.60x = 326,646,026.40 × 140,669,643.20
  4. Step 4: Simplify right side
    217,764,017.60x = 45,949,179,986,385,776
  5. Step 5: Solve for x
    x = 45,949,179,986,385,776/217,764,017.60
  6. Step 6: Final answer
    x = 211,004,464.80

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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.