Home / 134,234,533.53-185,138,712.77-87,206,759.28

Finding the Fourth Proportional to 134,234,533.53, 185,138,712.77 and 87,206,759.28

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Solution

The fourth proportional to 134,234,533.53, 185,138,712.77 and 87,206,759.28 is: 120,277,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,234,533.53 : 185,138,712.77 = 87,206,759.28 : x
  2. Step 2: Convert to fraction form
    134,234,533.53/185,138,712.77 = 87,206,759.28/x
  3. Step 3: Cross multiply
    134,234,533.53x = 185,138,712.77 × 87,206,759.28
  4. Step 4: Simplify right side
    134,234,533.53x = 16,145,347,157,506,418
  5. Step 5: Solve for x
    x = 16,145,347,157,506,418/134,234,533.53
  6. Step 6: Final answer
    x = 120,277,150.25

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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.