Home / 66,492,574.40-99,813,511.20-51,413,355.20

Finding the Fourth Proportional to 66,492,574.40, 99,813,511.20 and 51,413,355.20

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Solution

The fourth proportional to 66,492,574.40, 99,813,511.20 and 51,413,355.20 is: 77,177,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,492,574.40 : 99,813,511.20 = 51,413,355.20 : x
  2. Step 2: Convert to fraction form
    66,492,574.40/99,813,511.20 = 51,413,355.20/x
  3. Step 3: Cross multiply
    66,492,574.40x = 99,813,511.20 × 51,413,355.20
  4. Step 4: Simplify right side
    66,492,574.40x = 5,131,747,505,084,779
  5. Step 5: Solve for x
    x = 5,131,747,505,084,779/66,492,574.40
  6. Step 6: Final answer
    x = 77,177,753.33

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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.