Home / 53,828,440.95-80,748,272.76-20,591,590.16

Finding the Fourth Proportional to 53,828,440.95, 80,748,272.76 and 20,591,590.16

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Solution

The fourth proportional to 53,828,440.95, 80,748,272.76 and 20,591,590.16 is: 30,889,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828,440.95 : 80,748,272.76 = 20,591,590.16 : x
  2. Step 2: Convert to fraction form
    53,828,440.95/80,748,272.76 = 20,591,590.16/x
  3. Step 3: Cross multiply
    53,828,440.95x = 80,748,272.76 × 20,591,590.16
  4. Step 4: Simplify right side
    53,828,440.95x = 1,662,735,338,926,464.25
  5. Step 5: Solve for x
    x = 1,662,735,338,926,464.25/53,828,440.95
  6. Step 6: Final answer
    x = 30,889,531.81

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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.