Home / 65,616,659.78-90,553,741.67-37,739,377.76

Finding the Fourth Proportional to 65,616,659.78, 90,553,741.67 and 37,739,377.76

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Solution

The fourth proportional to 65,616,659.78, 90,553,741.67 and 37,739,377.76 is: 52,081,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,659.78 : 90,553,741.67 = 37,739,377.76 : x
  2. Step 2: Convert to fraction form
    65,616,659.78/90,553,741.67 = 37,739,377.76/x
  3. Step 3: Cross multiply
    65,616,659.78x = 90,553,741.67 × 37,739,377.76
  4. Step 4: Simplify right side
    65,616,659.78x = 3,417,441,864,107,163
  5. Step 5: Solve for x
    x = 3,417,441,864,107,163/65,616,659.78
  6. Step 6: Final answer
    x = 52,081,923.64

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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.