Home / 86,346,043.20-129,519,064.80-35,200,180.80

Finding the Fourth Proportional to 86,346,043.20, 129,519,064.80 and 35,200,180.80

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Solution

The fourth proportional to 86,346,043.20, 129,519,064.80 and 35,200,180.80 is: 52,800,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346,043.20 : 129,519,064.80 = 35,200,180.80 : x
  2. Step 2: Convert to fraction form
    86,346,043.20/129,519,064.80 = 35,200,180.80/x
  3. Step 3: Cross multiply
    86,346,043.20x = 129,519,064.80 × 35,200,180.80
  4. Step 4: Simplify right side
    86,346,043.20x = 4,559,094,498,006,915
  5. Step 5: Solve for x
    x = 4,559,094,498,006,915/86,346,043.20
  6. Step 6: Final answer
    x = 52,800,271.20

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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.