Home / 53,156,728.40-79,735,092.60-52,820,805.20

Finding the Fourth Proportional to 53,156,728.40, 79,735,092.60 and 52,820,805.20

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Solution

The fourth proportional to 53,156,728.40, 79,735,092.60 and 52,820,805.20 is: 79,231,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156,728.40 : 79,735,092.60 = 52,820,805.20 : x
  2. Step 2: Convert to fraction form
    53,156,728.40/79,735,092.60 = 52,820,805.20/x
  3. Step 3: Cross multiply
    53,156,728.40x = 79,735,092.60 × 52,820,805.20
  4. Step 4: Simplify right side
    53,156,728.40x = 4,211,671,793,828,561.50
  5. Step 5: Solve for x
    x = 4,211,671,793,828,561.50/53,156,728.40
  6. Step 6: Final answer
    x = 79,231,207.80

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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.