Home / 74,724,572.65-112,082,873.14-20,136,281.71

Finding the Fourth Proportional to 74,724,572.65, 112,082,873.14 and 20,136,281.71

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Solution

The fourth proportional to 74,724,572.65, 112,082,873.14 and 20,136,281.71 is: 30,203,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724,572.65 : 112,082,873.14 = 20,136,281.71 : x
  2. Step 2: Convert to fraction form
    74,724,572.65/112,082,873.14 = 20,136,281.71/x
  3. Step 3: Cross multiply
    74,724,572.65x = 112,082,873.14 × 20,136,281.71
  4. Step 4: Simplify right side
    74,724,572.65x = 2,256,932,308,413,232.50
  5. Step 5: Solve for x
    x = 2,256,932,308,413,232.50/74,724,572.65
  6. Step 6: Final answer
    x = 30,203,348.49

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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.