Home / 72,210,023.24-108,311,048-52,799,140.72

Finding the Fourth Proportional to 72,210,023.24, 108,311,048 and 52,799,140.72

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Solution

The fourth proportional to 72,210,023.24, 108,311,048 and 52,799,140.72 is: 79,195,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,210,023.24 : 108,311,048 = 52,799,140.72 : x
  2. Step 2: Convert to fraction form
    72,210,023.24/108,311,048 = 52,799,140.72/x
  3. Step 3: Cross multiply
    72,210,023.24x = 108,311,048 × 52,799,140.72
  4. Step 4: Simplify right side
    72,210,023.24x = 5,718,730,264,882,674
  5. Step 5: Solve for x
    x = 5,718,730,264,882,674/72,210,023.24
  6. Step 6: Final answer
    x = 79,195,795.93

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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.