Home / 74,797,515.60-112,196,273.40-66,987,301.20

Finding the Fourth Proportional to 74,797,515.60, 112,196,273.40 and 66,987,301.20

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Solution

The fourth proportional to 74,797,515.60, 112,196,273.40 and 66,987,301.20 is: 100,480,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,797,515.60 : 112,196,273.40 = 66,987,301.20 : x
  2. Step 2: Convert to fraction form
    74,797,515.60/112,196,273.40 = 66,987,301.20/x
  3. Step 3: Cross multiply
    74,797,515.60x = 112,196,273.40 × 66,987,301.20
  4. Step 4: Simplify right side
    74,797,515.60x = 7,515,725,559,763,349
  5. Step 5: Solve for x
    x = 7,515,725,559,763,349/74,797,515.60
  6. Step 6: Final answer
    x = 100,480,951.80

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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.