Home / 99,852,016.40-149,792,021.40-39,253,648.40

Finding the Fourth Proportional to 99,852,016.40, 149,792,021.40 and 39,253,648.40

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Solution

The fourth proportional to 99,852,016.40, 149,792,021.40 and 39,253,648.40 is: 58,885,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,852,016.40 : 149,792,021.40 = 39,253,648.40 : x
  2. Step 2: Convert to fraction form
    99,852,016.40/149,792,021.40 = 39,253,648.40/x
  3. Step 3: Cross multiply
    99,852,016.40x = 149,792,021.40 × 39,253,648.40
  4. Step 4: Simplify right side
    99,852,016.40x = 5,879,883,341,160,876
  5. Step 5: Solve for x
    x = 5,879,883,341,160,876/99,852,016.40
  6. Step 6: Final answer
    x = 58,885,975.00

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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.