Home / 66,492,570.40-99,813,505.20-51,413,351.20

Finding the Fourth Proportional to 66,492,570.40, 99,813,505.20 and 51,413,351.20

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Solution

The fourth proportional to 66,492,570.40, 99,813,505.20 and 51,413,351.20 is: 77,177,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,492,570.40 : 99,813,505.20 = 51,413,351.20 : x
  2. Step 2: Convert to fraction form
    66,492,570.40/99,813,505.20 = 51,413,351.20/x
  3. Step 3: Cross multiply
    66,492,570.40x = 99,813,505.20 × 51,413,351.20
  4. Step 4: Simplify right side
    66,492,570.40x = 5,131,746,797,350,627
  5. Step 5: Solve for x
    x = 5,131,746,797,350,627/66,492,570.40
  6. Step 6: Final answer
    x = 77,177,747.33

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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.