Home / 53,016,222.52-79,515,000.66-14,155,156.60

Finding the Fourth Proportional to 53,016,222.52, 79,515,000.66 and 14,155,156.60

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Solution

The fourth proportional to 53,016,222.52, 79,515,000.66 and 14,155,156.60 is: 21,230,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,016,222.52 : 79,515,000.66 = 14,155,156.60 : x
  2. Step 2: Convert to fraction form
    53,016,222.52/79,515,000.66 = 14,155,156.60/x
  3. Step 3: Cross multiply
    53,016,222.52x = 79,515,000.66 × 14,155,156.60
  4. Step 4: Simplify right side
    53,016,222.52x = 1,125,547,286,391,403.25
  5. Step 5: Solve for x
    x = 1,125,547,286,391,403.25/53,016,222.52
  6. Step 6: Final answer
    x = 21,230,242.99

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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.