Home / 42,768,261.70-64,152,392.55-25,720,159.30

Finding the Fourth Proportional to 42,768,261.70, 64,152,392.55 and 25,720,159.30

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Solution

The fourth proportional to 42,768,261.70, 64,152,392.55 and 25,720,159.30 is: 38,580,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,261.70 : 64,152,392.55 = 25,720,159.30 : x
  2. Step 2: Convert to fraction form
    42,768,261.70/64,152,392.55 = 25,720,159.30/x
  3. Step 3: Cross multiply
    42,768,261.70x = 64,152,392.55 × 25,720,159.30
  4. Step 4: Simplify right side
    42,768,261.70x = 1,650,009,755,862,133.25
  5. Step 5: Solve for x
    x = 1,650,009,755,862,133.25/42,768,261.70
  6. Step 6: Final answer
    x = 38,580,238.95

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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.