Home / 74,724,567.76-112,082,865.82-20,136,276.85

Finding the Fourth Proportional to 74,724,567.76, 112,082,865.82 and 20,136,276.85

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Solution

The fourth proportional to 74,724,567.76, 112,082,865.82 and 20,136,276.85 is: 30,203,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724,567.76 : 112,082,865.82 = 20,136,276.85 : x
  2. Step 2: Convert to fraction form
    74,724,567.76/112,082,865.82 = 20,136,276.85/x
  3. Step 3: Cross multiply
    74,724,567.76x = 112,082,865.82 × 20,136,276.85
  4. Step 4: Simplify right side
    74,724,567.76x = 2,256,931,616,292,922.50
  5. Step 5: Solve for x
    x = 2,256,931,616,292,922.50/74,724,567.76
  6. Step 6: Final answer
    x = 30,203,341.20

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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.