Home / 247,191,010.70-370,786,516.05-74,649,832.70

Finding the Fourth Proportional to 247,191,010.70, 370,786,516.05 and 74,649,832.70

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Solution

The fourth proportional to 247,191,010.70, 370,786,516.05 and 74,649,832.70 is: 111,974,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,191,010.70 : 370,786,516.05 = 74,649,832.70 : x
  2. Step 2: Convert to fraction form
    247,191,010.70/370,786,516.05 = 74,649,832.70/x
  3. Step 3: Cross multiply
    247,191,010.70x = 370,786,516.05 × 74,649,832.70
  4. Step 4: Simplify right side
    247,191,010.70x = 27,679,151,390,548,368
  5. Step 5: Solve for x
    x = 27,679,151,390,548,368/247,191,010.70
  6. Step 6: Final answer
    x = 111,974,749.05

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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.