Home / 65,798,672.98-90,808,261.86-36,430,005.82

Finding the Fourth Proportional to 65,798,672.98, 90,808,261.86 and 36,430,005.82

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Solution

The fourth proportional to 65,798,672.98, 90,808,261.86 and 36,430,005.82 is: 50,276,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,798,672.98 : 90,808,261.86 = 36,430,005.82 : x
  2. Step 2: Convert to fraction form
    65,798,672.98/90,808,261.86 = 36,430,005.82/x
  3. Step 3: Cross multiply
    65,798,672.98x = 90,808,261.86 × 36,430,005.82
  4. Step 4: Simplify right side
    65,798,672.98x = 3,308,145,508,063,884
  5. Step 5: Solve for x
    x = 3,308,145,508,063,884/65,798,672.98
  6. Step 6: Final answer
    x = 50,276,781.56

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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.