Home / 91,724,342.10-126,575,796.96-49,908,579.45

Finding the Fourth Proportional to 91,724,342.10, 126,575,796.96 and 49,908,579.45

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Solution

The fourth proportional to 91,724,342.10, 126,575,796.96 and 49,908,579.45 is: 68,871,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724,342.10 : 126,575,796.96 = 49,908,579.45 : x
  2. Step 2: Convert to fraction form
    91,724,342.10/126,575,796.96 = 49,908,579.45/x
  3. Step 3: Cross multiply
    91,724,342.10x = 126,575,796.96 × 49,908,579.45
  4. Step 4: Simplify right side
    91,724,342.10x = 6,317,218,219,025,229
  5. Step 5: Solve for x
    x = 6,317,218,219,025,229/91,724,342.10
  6. Step 6: Final answer
    x = 68,871,774.65

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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.