Home / 96,228,051.20-144,342,076.80-85,646,470.40

Finding the Fourth Proportional to 96,228,051.20, 144,342,076.80 and 85,646,470.40

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Solution

The fourth proportional to 96,228,051.20, 144,342,076.80 and 85,646,470.40 is: 128,469,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,228,051.20 : 144,342,076.80 = 85,646,470.40 : x
  2. Step 2: Convert to fraction form
    96,228,051.20/144,342,076.80 = 85,646,470.40/x
  3. Step 3: Cross multiply
    96,228,051.20x = 144,342,076.80 × 85,646,470.40
  4. Step 4: Simplify right side
    96,228,051.20x = 12,362,389,408,125,728
  5. Step 5: Solve for x
    x = 12,362,389,408,125,728/96,228,051.20
  6. Step 6: Final answer
    x = 128,469,705.60

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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.