Home / 96,777,601.20-145,166,401.80-86,196,020.40

Finding the Fourth Proportional to 96,777,601.20, 145,166,401.80 and 86,196,020.40

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Solution

The fourth proportional to 96,777,601.20, 145,166,401.80 and 86,196,020.40 is: 129,294,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777,601.20 : 145,166,401.80 = 86,196,020.40 : x
  2. Step 2: Convert to fraction form
    96,777,601.20/145,166,401.80 = 86,196,020.40/x
  3. Step 3: Cross multiply
    96,777,601.20x = 145,166,401.80 × 86,196,020.40
  4. Step 4: Simplify right side
    96,777,601.20x = 12,512,766,130,947,398
  5. Step 5: Solve for x
    x = 12,512,766,130,947,398/96,777,601.20
  6. Step 6: Final answer
    x = 129,294,030.60

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Similar ratio
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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.