Home / 99,740,558.40-149,484,866.40-48,512,270.40

Finding the Fourth Proportional to 99,740,558.40, 149,484,866.40 and 48,512,270.40

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Solution

The fourth proportional to 99,740,558.40, 149,484,866.40 and 48,512,270.40 is: 72,707,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,740,558.40 : 149,484,866.40 = 48,512,270.40 : x
  2. Step 2: Convert to fraction form
    99,740,558.40/149,484,866.40 = 48,512,270.40/x
  3. Step 3: Cross multiply
    99,740,558.40x = 149,484,866.40 × 48,512,270.40
  4. Step 4: Simplify right side
    99,740,558.40x = 7,251,850,259,504,675
  5. Step 5: Solve for x
    x = 7,251,850,259,504,675/99,740,558.40
  6. Step 6: Final answer
    x = 72,707,135.15

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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.