Home / 72,349,286.40-108,523,929.60-65,546,841.60

Finding the Fourth Proportional to 72,349,286.40, 108,523,929.60 and 65,546,841.60

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Solution

The fourth proportional to 72,349,286.40, 108,523,929.60 and 65,546,841.60 is: 98,320,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,349,286.40 : 108,523,929.60 = 65,546,841.60 : x
  2. Step 2: Convert to fraction form
    72,349,286.40/108,523,929.60 = 65,546,841.60/x
  3. Step 3: Cross multiply
    72,349,286.40x = 108,523,929.60 × 65,546,841.60
  4. Step 4: Simplify right side
    72,349,286.40x = 7,113,400,823,300,751
  5. Step 5: Solve for x
    x = 7,113,400,823,300,751/72,349,286.40
  6. Step 6: Final answer
    x = 98,320,262.40

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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.