Home / 39,203,070.14-54,100,281.32-21,799,041.69

Finding the Fourth Proportional to 39,203,070.14, 54,100,281.32 and 21,799,041.69

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Solution

The fourth proportional to 39,203,070.14, 54,100,281.32 and 21,799,041.69 is: 30,082,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,070.14 : 54,100,281.32 = 21,799,041.69 : x
  2. Step 2: Convert to fraction form
    39,203,070.14/54,100,281.32 = 21,799,041.69/x
  3. Step 3: Cross multiply
    39,203,070.14x = 54,100,281.32 × 21,799,041.69
  4. Step 4: Simplify right side
    39,203,070.14x = 1,179,334,287,826,413
  5. Step 5: Solve for x
    x = 1,179,334,287,826,413/39,203,070.14
  6. Step 6: Final answer
    x = 30,082,702.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.