Home / 88,089,101.90-132,133,652.85-81,286,657.10

Finding the Fourth Proportional to 88,089,101.90, 132,133,652.85 and 81,286,657.10

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Solution

The fourth proportional to 88,089,101.90, 132,133,652.85 and 81,286,657.10 is: 121,929,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089,101.90 : 132,133,652.85 = 81,286,657.10 : x
  2. Step 2: Convert to fraction form
    88,089,101.90/132,133,652.85 = 81,286,657.10/x
  3. Step 3: Cross multiply
    88,089,101.90x = 132,133,652.85 × 81,286,657.10
  4. Step 4: Simplify right side
    88,089,101.90x = 10,740,702,930,588,386
  5. Step 5: Solve for x
    x = 10,740,702,930,588,386/88,089,101.90
  6. Step 6: Final answer
    x = 121,929,985.65

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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.