Home / 86,672,871.60-130,009,307.40-29,146,023.60

Finding the Fourth Proportional to 86,672,871.60, 130,009,307.40 and 29,146,023.60

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Solution

The fourth proportional to 86,672,871.60, 130,009,307.40 and 29,146,023.60 is: 43,719,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672,871.60 : 130,009,307.40 = 29,146,023.60 : x
  2. Step 2: Convert to fraction form
    86,672,871.60/130,009,307.40 = 29,146,023.60/x
  3. Step 3: Cross multiply
    86,672,871.60x = 130,009,307.40 × 29,146,023.60
  4. Step 4: Simplify right side
    86,672,871.60x = 3,789,254,341,700,055
  5. Step 5: Solve for x
    x = 3,789,254,341,700,055/86,672,871.60
  6. Step 6: Final answer
    x = 43,719,035.40

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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.