Home / 99,620,448.30-149,430,672.45-39,016,032.30

Finding the Fourth Proportional to 99,620,448.30, 149,430,672.45 and 39,016,032.30

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Solution

The fourth proportional to 99,620,448.30, 149,430,672.45 and 39,016,032.30 is: 58,524,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620,448.30 : 149,430,672.45 = 39,016,032.30 : x
  2. Step 2: Convert to fraction form
    99,620,448.30/149,430,672.45 = 39,016,032.30/x
  3. Step 3: Cross multiply
    99,620,448.30x = 149,430,672.45 × 39,016,032.30
  4. Step 4: Simplify right side
    99,620,448.30x = 5,830,191,942,919,919
  5. Step 5: Solve for x
    x = 5,830,191,942,919,919/99,620,448.30
  6. Step 6: Final answer
    x = 58,524,048.45

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Double scale
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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.