Home / 72,074,817.18-108,151,583.41-30,569,237.55

Finding the Fourth Proportional to 72,074,817.18, 108,151,583.41 and 30,569,237.55

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Solution

The fourth proportional to 72,074,817.18, 108,151,583.41 and 30,569,237.55 is: 45,870,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,074,817.18 : 108,151,583.41 = 30,569,237.55 : x
  2. Step 2: Convert to fraction form
    72,074,817.18/108,151,583.41 = 30,569,237.55/x
  3. Step 3: Cross multiply
    72,074,817.18x = 108,151,583.41 × 30,569,237.55
  4. Step 4: Simplify right side
    72,074,817.18x = 3,306,111,444,668,929
  5. Step 5: Solve for x
    x = 3,306,111,444,668,929/72,074,817.18
  6. Step 6: Final answer
    x = 45,870,549.16

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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.