Home / 96,768,132.40-145,152,198.60-72,880,260.40

Finding the Fourth Proportional to 96,768,132.40, 145,152,198.60 and 72,880,260.40

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Solution

The fourth proportional to 96,768,132.40, 145,152,198.60 and 72,880,260.40 is: 109,320,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,132.40 : 145,152,198.60 = 72,880,260.40 : x
  2. Step 2: Convert to fraction form
    96,768,132.40/145,152,198.60 = 72,880,260.40/x
  3. Step 3: Cross multiply
    96,768,132.40x = 145,152,198.60 × 72,880,260.40
  4. Step 4: Simplify right side
    96,768,132.40x = 10,578,730,031,600,516
  5. Step 5: Solve for x
    x = 10,578,730,031,600,516/96,768,132.40
  6. Step 6: Final answer
    x = 109,320,390.60

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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.