Home / 137,255,667.66-189,365,468.76-87,725,033.46

Finding the Fourth Proportional to 137,255,667.66, 189,365,468.76 and 87,725,033.46

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Solution

The fourth proportional to 137,255,667.66, 189,365,468.76 and 87,725,033.46 is: 121,030,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,255,667.66 : 189,365,468.76 = 87,725,033.46 : x
  2. Step 2: Convert to fraction form
    137,255,667.66/189,365,468.76 = 87,725,033.46/x
  3. Step 3: Cross multiply
    137,255,667.66x = 189,365,468.76 × 87,725,033.46
  4. Step 4: Simplify right side
    137,255,667.66x = 16,612,092,083,139,582
  5. Step 5: Solve for x
    x = 16,612,092,083,139,582/137,255,667.66
  6. Step 6: Final answer
    x = 121,030,281.42

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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.