Home / 65,857,068.96-98,732,853-31,296,126.66

Finding the Fourth Proportional to 65,857,068.96, 98,732,853 and 31,296,126.66

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Solution

The fourth proportional to 65,857,068.96, 98,732,853 and 31,296,126.66 is: 46,919,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,857,068.96 : 98,732,853 = 31,296,126.66 : x
  2. Step 2: Convert to fraction form
    65,857,068.96/98,732,853 = 31,296,126.66/x
  3. Step 3: Cross multiply
    65,857,068.96x = 98,732,853 × 31,296,126.66
  4. Step 4: Simplify right side
    65,857,068.96x = 3,089,955,872,991,161
  5. Step 5: Solve for x
    x = 3,089,955,872,991,161/65,857,068.96
  6. Step 6: Final answer
    x = 46,919,122.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.