Home / 96,245,087.20-144,367,630.80-85,663,506.40

Finding the Fourth Proportional to 96,245,087.20, 144,367,630.80 and 85,663,506.40

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Solution

The fourth proportional to 96,245,087.20, 144,367,630.80 and 85,663,506.40 is: 128,495,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,245,087.20 : 144,367,630.80 = 85,663,506.40 : x
  2. Step 2: Convert to fraction form
    96,245,087.20/144,367,630.80 = 85,663,506.40/x
  3. Step 3: Cross multiply
    96,245,087.20x = 144,367,630.80 × 85,663,506.40
  4. Step 4: Simplify right side
    96,245,087.20x = 12,367,037,464,988,640
  5. Step 5: Solve for x
    x = 12,367,037,464,988,640/96,245,087.20
  6. Step 6: Final answer
    x = 128,495,259.60

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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.