Home / 65,616,657.51-90,553,738.56-37,739,375.49

Finding the Fourth Proportional to 65,616,657.51, 90,553,738.56 and 37,739,375.49

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Solution

The fourth proportional to 65,616,657.51, 90,553,738.56 and 37,739,375.49 is: 52,081,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,657.51 : 90,553,738.56 = 37,739,375.49 : x
  2. Step 2: Convert to fraction form
    65,616,657.51/90,553,738.56 = 37,739,375.49/x
  3. Step 3: Cross multiply
    65,616,657.51x = 90,553,738.56 × 37,739,375.49
  4. Step 4: Simplify right side
    65,616,657.51x = 3,417,441,541,737,186
  5. Step 5: Solve for x
    x = 3,417,441,541,737,186/65,616,657.51
  6. Step 6: Final answer
    x = 52,081,920.52

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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.