Home / 233,103,637.49-321,681,046.74-128,679,466.80

Finding the Fourth Proportional to 233,103,637.49, 321,681,046.74 and 128,679,466.80

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Solution

The fourth proportional to 233,103,637.49, 321,681,046.74 and 128,679,466.80 is: 177,576,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,103,637.49 : 321,681,046.74 = 128,679,466.80 : x
  2. Step 2: Convert to fraction form
    233,103,637.49/321,681,046.74 = 128,679,466.80/x
  3. Step 3: Cross multiply
    233,103,637.49x = 321,681,046.74 × 128,679,466.80
  4. Step 4: Simplify right side
    233,103,637.49x = 41,393,745,574,169,080
  5. Step 5: Solve for x
    x = 41,393,745,574,169,080/233,103,637.49
  6. Step 6: Final answer
    x = 177,576,575.04

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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.