Home / 86,952,207.60-130,428,311.40-83,220,310.80

Finding the Fourth Proportional to 86,952,207.60, 130,428,311.40 and 83,220,310.80

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Solution

The fourth proportional to 86,952,207.60, 130,428,311.40 and 83,220,310.80 is: 124,830,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,952,207.60 : 130,428,311.40 = 83,220,310.80 : x
  2. Step 2: Convert to fraction form
    86,952,207.60/130,428,311.40 = 83,220,310.80/x
  3. Step 3: Cross multiply
    86,952,207.60x = 130,428,311.40 × 83,220,310.80
  4. Step 4: Simplify right side
    86,952,207.60x = 10,854,284,611,827,184
  5. Step 5: Solve for x
    x = 10,854,284,611,827,184/86,952,207.60
  6. Step 6: Final answer
    x = 124,830,466.20

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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.