Home / 42,768,139.20-64,152,208.80-25,762,027.20

Finding the Fourth Proportional to 42,768,139.20, 64,152,208.80 and 25,762,027.20

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Solution

The fourth proportional to 42,768,139.20, 64,152,208.80 and 25,762,027.20 is: 38,643,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,139.20 : 64,152,208.80 = 25,762,027.20 : x
  2. Step 2: Convert to fraction form
    42,768,139.20/64,152,208.80 = 25,762,027.20/x
  3. Step 3: Cross multiply
    42,768,139.20x = 64,152,208.80 × 25,762,027.20
  4. Step 4: Simplify right side
    42,768,139.20x = 1,652,690,948,045,679.25
  5. Step 5: Solve for x
    x = 1,652,690,948,045,679.25/42,768,139.20
  6. Step 6: Final answer
    x = 38,643,040.80

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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.