Home / 74,724,567.53-112,082,865.46-20,136,276.61

Finding the Fourth Proportional to 74,724,567.53, 112,082,865.46 and 20,136,276.61

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Solution

The fourth proportional to 74,724,567.53, 112,082,865.46 and 20,136,276.61 is: 30,203,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724,567.53 : 112,082,865.46 = 20,136,276.61 : x
  2. Step 2: Convert to fraction form
    74,724,567.53/112,082,865.46 = 20,136,276.61/x
  3. Step 3: Cross multiply
    74,724,567.53x = 112,082,865.46 × 20,136,276.61
  4. Step 4: Simplify right side
    74,724,567.53x = 2,256,931,581,813,427
  5. Step 5: Solve for x
    x = 2,256,931,581,813,427/74,724,567.53
  6. Step 6: Final answer
    x = 30,203,340.84

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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.