Home / 82,960,691.20-124,441,036.80-52,570,009.60

Finding the Fourth Proportional to 82,960,691.20, 124,441,036.80 and 52,570,009.60

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Solution

The fourth proportional to 82,960,691.20, 124,441,036.80 and 52,570,009.60 is: 78,855,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960,691.20 : 124,441,036.80 = 52,570,009.60 : x
  2. Step 2: Convert to fraction form
    82,960,691.20/124,441,036.80 = 52,570,009.60/x
  3. Step 3: Cross multiply
    82,960,691.20x = 124,441,036.80 × 52,570,009.60
  4. Step 4: Simplify right side
    82,960,691.20x = 6,541,866,499,209,953
  5. Step 5: Solve for x
    x = 6,541,866,499,209,953/82,960,691.20
  6. Step 6: Final answer
    x = 78,855,014.40

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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.