Home / 99,812,008.40-149,718,012.60-88,096,686.80

Finding the Fourth Proportional to 99,812,008.40, 149,718,012.60 and 88,096,686.80

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Solution

The fourth proportional to 99,812,008.40, 149,718,012.60 and 88,096,686.80 is: 132,145,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,812,008.40 : 149,718,012.60 = 88,096,686.80 : x
  2. Step 2: Convert to fraction form
    99,812,008.40/149,718,012.60 = 88,096,686.80/x
  3. Step 3: Cross multiply
    99,812,008.40x = 149,718,012.60 × 88,096,686.80
  4. Step 4: Simplify right side
    99,812,008.40x = 13,189,660,864,340,652
  5. Step 5: Solve for x
    x = 13,189,660,864,340,652/99,812,008.40
  6. Step 6: Final answer
    x = 132,145,030.20

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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.