Home / 132,485,673.20-198,728,509.80-96,205,967.60

Finding the Fourth Proportional to 132,485,673.20, 198,728,509.80 and 96,205,967.60

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Solution

The fourth proportional to 132,485,673.20, 198,728,509.80 and 96,205,967.60 is: 144,308,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,485,673.20 : 198,728,509.80 = 96,205,967.60 : x
  2. Step 2: Convert to fraction form
    132,485,673.20/198,728,509.80 = 96,205,967.60/x
  3. Step 3: Cross multiply
    132,485,673.20x = 198,728,509.80 × 96,205,967.60
  4. Step 4: Simplify right side
    132,485,673.20x = 19,118,868,575,015,084
  5. Step 5: Solve for x
    x = 19,118,868,575,015,084/132,485,673.20
  6. Step 6: Final answer
    x = 144,308,951.40

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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.