Home / 70,245,403.52-105,231,767.88-51,767,790.80

Finding the Fourth Proportional to 70,245,403.52, 105,231,767.88 and 51,767,790.80

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Solution

The fourth proportional to 70,245,403.52, 105,231,767.88 and 51,767,790.80 is: 77,551,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,245,403.52 : 105,231,767.88 = 51,767,790.80 : x
  2. Step 2: Convert to fraction form
    70,245,403.52/105,231,767.88 = 51,767,790.80/x
  3. Step 3: Cross multiply
    70,245,403.52x = 105,231,767.88 × 51,767,790.80
  4. Step 4: Simplify right side
    70,245,403.52x = 5,447,616,145,125,999
  5. Step 5: Solve for x
    x = 5,447,616,145,125,999/70,245,403.52
  6. Step 6: Final answer
    x = 77,551,211.50

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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.