Home / 53,478,078.40-80,217,117.60-49,864,279.60

Finding the Fourth Proportional to 53,478,078.40, 80,217,117.60 and 49,864,279.60

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Solution

The fourth proportional to 53,478,078.40, 80,217,117.60 and 49,864,279.60 is: 74,796,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478,078.40 : 80,217,117.60 = 49,864,279.60 : x
  2. Step 2: Convert to fraction form
    53,478,078.40/80,217,117.60 = 49,864,279.60/x
  3. Step 3: Cross multiply
    53,478,078.40x = 80,217,117.60 × 49,864,279.60
  4. Step 4: Simplify right side
    53,478,078.40x = 3,999,968,780,712,481
  5. Step 5: Solve for x
    x = 3,999,968,780,712,481/53,478,078.40
  6. Step 6: Final answer
    x = 74,796,419.40

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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.