Home / 64,883,915.68-89,542,081.02-35,515,272.28

Finding the Fourth Proportional to 64,883,915.68, 89,542,081.02 and 35,515,272.28

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Solution

The fourth proportional to 64,883,915.68, 89,542,081.02 and 35,515,272.28 is: 49,012,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,883,915.68 : 89,542,081.02 = 35,515,272.28 : x
  2. Step 2: Convert to fraction form
    64,883,915.68/89,542,081.02 = 35,515,272.28/x
  3. Step 3: Cross multiply
    64,883,915.68x = 89,542,081.02 × 35,515,272.28
  4. Step 4: Simplify right side
    64,883,915.68x = 3,180,111,387,943,120
  5. Step 5: Solve for x
    x = 3,180,111,387,943,120/64,883,915.68
  6. Step 6: Final answer
    x = 49,012,322.31

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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.