Home / 65,833,989-90,851,842.74-37,956,147.72

Finding the Fourth Proportional to 65,833,989, 90,851,842.74 and 37,956,147.72

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Solution

The fourth proportional to 65,833,989, 90,851,842.74 and 37,956,147.72 is: 52,380,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,833,989 : 90,851,842.74 = 37,956,147.72 : x
  2. Step 2: Convert to fraction form
    65,833,989/90,851,842.74 = 37,956,147.72/x
  3. Step 3: Cross multiply
    65,833,989x = 90,851,842.74 × 37,956,147.72
  4. Step 4: Simplify right side
    65,833,989x = 3,448,385,963,673,649
  5. Step 5: Solve for x
    x = 3,448,385,963,673,649/65,833,989
  6. Step 6: Final answer
    x = 52,380,024.61

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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.