Home / 72,210,030.41-108,311,058.67-52,799,147.88

Finding the Fourth Proportional to 72,210,030.41, 108,311,058.67 and 52,799,147.88

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Solution

The fourth proportional to 72,210,030.41, 108,311,058.67 and 52,799,147.88 is: 79,195,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,210,030.41 : 108,311,058.67 = 52,799,147.88 : x
  2. Step 2: Convert to fraction form
    72,210,030.41/108,311,058.67 = 52,799,147.88/x
  3. Step 3: Cross multiply
    72,210,030.41x = 108,311,058.67 × 52,799,147.88
  4. Step 4: Simplify right side
    72,210,030.41x = 5,718,731,603,756,687
  5. Step 5: Solve for x
    x = 5,718,731,603,756,687/72,210,030.41
  6. Step 6: Final answer
    x = 79,195,806.61

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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.