Home / 86,672,877.60-130,009,316.40-29,146,029.60

Finding the Fourth Proportional to 86,672,877.60, 130,009,316.40 and 29,146,029.60

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Solution

The fourth proportional to 86,672,877.60, 130,009,316.40 and 29,146,029.60 is: 43,719,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672,877.60 : 130,009,316.40 = 29,146,029.60 : x
  2. Step 2: Convert to fraction form
    86,672,877.60/130,009,316.40 = 29,146,029.60/x
  3. Step 3: Cross multiply
    86,672,877.60x = 130,009,316.40 × 29,146,029.60
  4. Step 4: Simplify right side
    86,672,877.60x = 3,789,255,384,070,166
  5. Step 5: Solve for x
    x = 3,789,255,384,070,166/86,672,877.60
  6. Step 6: Final answer
    x = 43,719,044.40

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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.