Home / 96,768,100.40-145,152,150.60-72,880,228.40

Finding the Fourth Proportional to 96,768,100.40, 145,152,150.60 and 72,880,228.40

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Solution

The fourth proportional to 96,768,100.40, 145,152,150.60 and 72,880,228.40 is: 109,320,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,100.40 : 145,152,150.60 = 72,880,228.40 : x
  2. Step 2: Convert to fraction form
    96,768,100.40/145,152,150.60 = 72,880,228.40/x
  3. Step 3: Cross multiply
    96,768,100.40x = 145,152,150.60 × 72,880,228.40
  4. Step 4: Simplify right side
    96,768,100.40x = 10,578,721,888,479,198
  5. Step 5: Solve for x
    x = 10,578,721,888,479,198/96,768,100.40
  6. Step 6: Final answer
    x = 109,320,342.60

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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.