Home / 138,077,867,171.93-207,126,154,123.15-48,529,973,641.37

Finding the Fourth Proportional to 138,077,867,171.93, 207,126,154,123.15 and 48,529,973,641.37

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Solution

The fourth proportional to 138,077,867,171.93, 207,126,154,123.15 and 48,529,973,641.37 is: 72,798,247,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077,867,171.93 : 207,126,154,123.15 = 48,529,973,641.37 : x
  2. Step 2: Convert to fraction form
    138,077,867,171.93/207,126,154,123.15 = 48,529,973,641.37/x
  3. Step 3: Cross multiply
    138,077,867,171.93x = 207,126,154,123.15 × 48,529,973,641.37
  4. Step 4: Simplify right side
    138,077,867,171.93x = 10,051,826,800,034,809,118,720
  5. Step 5: Solve for x
    x = 10,051,826,800,034,809,118,720/138,077,867,171.93
  6. Step 6: Final answer
    x = 72,798,247,872.11

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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.