Home / 219,026,317.20-328,539,475.80-132,862,016.40

Finding the Fourth Proportional to 219,026,317.20, 328,539,475.80 and 132,862,016.40

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Solution

The fourth proportional to 219,026,317.20, 328,539,475.80 and 132,862,016.40 is: 199,293,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026,317.20 : 328,539,475.80 = 132,862,016.40 : x
  2. Step 2: Convert to fraction form
    219,026,317.20/328,539,475.80 = 132,862,016.40/x
  3. Step 3: Cross multiply
    219,026,317.20x = 328,539,475.80 × 132,862,016.40
  4. Step 4: Simplify right side
    219,026,317.20x = 43,650,417,221,787,008
  5. Step 5: Solve for x
    x = 43,650,417,221,787,008/219,026,317.20
  6. Step 6: Final answer
    x = 199,293,024.60

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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.