Home / 86,713,419.78-130,070,228.09-29,200,874.76

Finding the Fourth Proportional to 86,713,419.78, 130,070,228.09 and 29,200,874.76

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Solution

The fourth proportional to 86,713,419.78, 130,070,228.09 and 29,200,874.76 is: 43,801,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,713,419.78 : 130,070,228.09 = 29,200,874.76 : x
  2. Step 2: Convert to fraction form
    86,713,419.78/130,070,228.09 = 29,200,874.76/x
  3. Step 3: Cross multiply
    86,713,419.78x = 130,070,228.09 × 29,200,874.76
  4. Step 4: Simplify right side
    86,713,419.78x = 3,798,164,440,314,719.50
  5. Step 5: Solve for x
    x = 3,798,164,440,314,719.50/86,713,419.78
  6. Step 6: Final answer
    x = 43,801,345.28

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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.