Home / 86,832,009.60-130,248,014.40-54,520,396.80

Finding the Fourth Proportional to 86,832,009.60, 130,248,014.40 and 54,520,396.80

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Solution

The fourth proportional to 86,832,009.60, 130,248,014.40 and 54,520,396.80 is: 81,780,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,832,009.60 : 130,248,014.40 = 54,520,396.80 : x
  2. Step 2: Convert to fraction form
    86,832,009.60/130,248,014.40 = 54,520,396.80/x
  3. Step 3: Cross multiply
    86,832,009.60x = 130,248,014.40 × 54,520,396.80
  4. Step 4: Simplify right side
    86,832,009.60x = 7,101,173,427,500,114
  5. Step 5: Solve for x
    x = 7,101,173,427,500,114/86,832,009.60
  6. Step 6: Final answer
    x = 81,780,595.20

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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.