Home / 53,257,480.10-79,886,220.15-42,495,799.85

Finding the Fourth Proportional to 53,257,480.10, 79,886,220.15 and 42,495,799.85

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Solution

The fourth proportional to 53,257,480.10, 79,886,220.15 and 42,495,799.85 is: 63,743,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257,480.10 : 79,886,220.15 = 42,495,799.85 : x
  2. Step 2: Convert to fraction form
    53,257,480.10/79,886,220.15 = 42,495,799.85/x
  3. Step 3: Cross multiply
    53,257,480.10x = 79,886,220.15 × 42,495,799.85
  4. Step 4: Simplify right side
    53,257,480.10x = 3,394,828,822,267,437.50
  5. Step 5: Solve for x
    x = 3,394,828,822,267,437.50/53,257,480.10
  6. Step 6: Final answer
    x = 63,743,699.78

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Double scale
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Similar ratio
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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.