Home / 91,427,738.10-126,134,360.52-52,248,495.78

Finding the Fourth Proportional to 91,427,738.10, 126,134,360.52 and 52,248,495.78

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Solution

The fourth proportional to 91,427,738.10, 126,134,360.52 and 52,248,495.78 is: 72,082,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427,738.10 : 126,134,360.52 = 52,248,495.78 : x
  2. Step 2: Convert to fraction form
    91,427,738.10/126,134,360.52 = 52,248,495.78/x
  3. Step 3: Cross multiply
    91,427,738.10x = 126,134,360.52 × 52,248,495.78
  4. Step 4: Simplify right side
    91,427,738.10x = 6,590,330,603,342,219
  5. Step 5: Solve for x
    x = 6,590,330,603,342,219/91,427,738.10
  6. Step 6: Final answer
    x = 72,082,397.97

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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.