Home / 47,220,935.18-65,194,978.32-38,539,815.26

Finding the Fourth Proportional to 47,220,935.18, 65,194,978.32 and 38,539,815.26

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Solution

The fourth proportional to 47,220,935.18, 65,194,978.32 and 38,539,815.26 is: 53,209,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220,935.18 : 65,194,978.32 = 38,539,815.26 : x
  2. Step 2: Convert to fraction form
    47,220,935.18/65,194,978.32 = 38,539,815.26/x
  3. Step 3: Cross multiply
    47,220,935.18x = 65,194,978.32 × 38,539,815.26
  4. Step 4: Simplify right side
    47,220,935.18x = 2,512,602,420,332,505
  5. Step 5: Solve for x
    x = 2,512,602,420,332,505/47,220,935.18
  6. Step 6: Final answer
    x = 53,209,501.48

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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.