Home / 233,078,557.56-321,648,360.90-128,656,601.64

Finding the Fourth Proportional to 233,078,557.56, 321,648,360.90 and 128,656,601.64

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Solution

The fourth proportional to 233,078,557.56, 321,648,360.90 and 128,656,601.64 is: 177,546,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,078,557.56 : 321,648,360.90 = 128,656,601.64 : x
  2. Step 2: Convert to fraction form
    233,078,557.56/321,648,360.90 = 128,656,601.64/x
  3. Step 3: Cross multiply
    233,078,557.56x = 321,648,360.90 × 128,656,601.64
  4. Step 4: Simplify right side
    233,078,557.56x = 41,382,185,036,470,248
  5. Step 5: Solve for x
    x = 41,382,185,036,470,248/233,078,557.56
  6. Step 6: Final answer
    x = 177,546,083.47

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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.