Home / 51,693,512.95-71,337,059.11-28,172,055.26

Finding the Fourth Proportional to 51,693,512.95, 71,337,059.11 and 28,172,055.26

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Solution

The fourth proportional to 51,693,512.95, 71,337,059.11 and 28,172,055.26 is: 38,877,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,693,512.95 : 71,337,059.11 = 28,172,055.26 : x
  2. Step 2: Convert to fraction form
    51,693,512.95/71,337,059.11 = 28,172,055.26/x
  3. Step 3: Cross multiply
    51,693,512.95x = 71,337,059.11 × 28,172,055.26
  4. Step 4: Simplify right side
    51,693,512.95x = 2,009,711,571,266,529.25
  5. Step 5: Solve for x
    x = 2,009,711,571,266,529.25/51,693,512.95
  6. Step 6: Final answer
    x = 38,877,442.38

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Double scale
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1.5x scale

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.