Home / 99,163,008.40-148,744,512.60-60,363,878.80

Finding the Fourth Proportional to 99,163,008.40, 148,744,512.60 and 60,363,878.80

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Solution

The fourth proportional to 99,163,008.40, 148,744,512.60 and 60,363,878.80 is: 90,545,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,163,008.40 : 148,744,512.60 = 60,363,878.80 : x
  2. Step 2: Convert to fraction form
    99,163,008.40/148,744,512.60 = 60,363,878.80/x
  3. Step 3: Cross multiply
    99,163,008.40x = 148,744,512.60 × 60,363,878.80
  4. Step 4: Simplify right side
    99,163,008.40x = 8,978,795,730,751,472
  5. Step 5: Solve for x
    x = 8,978,795,730,751,472/99,163,008.40
  6. Step 6: Final answer
    x = 90,545,818.20

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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.