Home / 82,719,276.30-124,078,914.45-25,211,455.20

Finding the Fourth Proportional to 82,719,276.30, 124,078,914.45 and 25,211,455.20

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Solution

The fourth proportional to 82,719,276.30, 124,078,914.45 and 25,211,455.20 is: 37,817,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719,276.30 : 124,078,914.45 = 25,211,455.20 : x
  2. Step 2: Convert to fraction form
    82,719,276.30/124,078,914.45 = 25,211,455.20/x
  3. Step 3: Cross multiply
    82,719,276.30x = 124,078,914.45 × 25,211,455.20
  4. Step 4: Simplify right side
    82,719,276.30x = 3,128,209,992,920,807.50
  5. Step 5: Solve for x
    x = 3,128,209,992,920,807.50/82,719,276.30
  6. Step 6: Final answer
    x = 37,817,182.80

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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.