Home / 72,074,756.13-108,151,491.77-30,569,176.23

Finding the Fourth Proportional to 72,074,756.13, 108,151,491.77 and 30,569,176.23

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Solution

The fourth proportional to 72,074,756.13, 108,151,491.77 and 30,569,176.23 is: 45,870,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,074,756.13 : 108,151,491.77 = 30,569,176.23 : x
  2. Step 2: Convert to fraction form
    72,074,756.13/108,151,491.77 = 30,569,176.23/x
  3. Step 3: Cross multiply
    72,074,756.13x = 108,151,491.77 × 30,569,176.23
  4. Step 4: Simplify right side
    72,074,756.13x = 3,306,102,011,454,524.50
  5. Step 5: Solve for x
    x = 3,306,102,011,454,524.50/72,074,756.13
  6. Step 6: Final answer
    x = 45,870,457.13

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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.