Home / 49,034,971.02-67,668,256.80-28,420,374.63

Finding the Fourth Proportional to 49,034,971.02, 67,668,256.80 and 28,420,374.63

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Solution

The fourth proportional to 49,034,971.02, 67,668,256.80 and 28,420,374.63 is: 39,220,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,034,971.02 : 67,668,256.80 = 28,420,374.63 : x
  2. Step 2: Convert to fraction form
    49,034,971.02/67,668,256.80 = 28,420,374.63/x
  3. Step 3: Cross multiply
    49,034,971.02x = 67,668,256.80 × 28,420,374.63
  4. Step 4: Simplify right side
    49,034,971.02x = 1,923,157,208,815,044.75
  5. Step 5: Solve for x
    x = 1,923,157,208,815,044.75/49,034,971.02
  6. Step 6: Final answer
    x = 39,220,115.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.