Home / 53,218,266.90-79,678,101.15-51,725,274.90

Finding the Fourth Proportional to 53,218,266.90, 79,678,101.15 and 51,725,274.90

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Solution

The fourth proportional to 53,218,266.90, 79,678,101.15 and 51,725,274.90 is: 77,442,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218,266.90 : 79,678,101.15 = 51,725,274.90 : x
  2. Step 2: Convert to fraction form
    53,218,266.90/79,678,101.15 = 51,725,274.90/x
  3. Step 3: Cross multiply
    53,218,266.90x = 79,678,101.15 × 51,725,274.90
  4. Step 4: Simplify right side
    53,218,266.90x = 4,121,371,685,493,756.50
  5. Step 5: Solve for x
    x = 4,121,371,685,493,756.50/53,218,266.90
  6. Step 6: Final answer
    x = 77,442,801.61

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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.