Home / 86,945,240.72-130,409,864.76-29,430,938

Finding the Fourth Proportional to 86,945,240.72, 130,409,864.76 and 29,430,938

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Solution

The fourth proportional to 86,945,240.72, 130,409,864.76 and 29,430,938 is: 44,143,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945,240.72 : 130,409,864.76 = 29,430,938 : x
  2. Step 2: Convert to fraction form
    86,945,240.72/130,409,864.76 = 29,430,938/x
  3. Step 3: Cross multiply
    86,945,240.72x = 130,409,864.76 × 29,430,938
  4. Step 4: Simplify right side
    86,945,240.72x = 3,838,084,644,339,945
  5. Step 5: Solve for x
    x = 3,838,084,644,339,945/86,945,240.72
  6. Step 6: Final answer
    x = 44,143,700.25

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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.