Home / 174,631,521.76-262,128,966-128,625,336.16

Finding the Fourth Proportional to 174,631,521.76, 262,128,966 and 128,625,336.16

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Solution

The fourth proportional to 174,631,521.76, 262,128,966 and 128,625,336.16 is: 193,071,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,631,521.76 : 262,128,966 = 128,625,336.16 : x
  2. Step 2: Convert to fraction form
    174,631,521.76/262,128,966 = 128,625,336.16/x
  3. Step 3: Cross multiply
    174,631,521.76x = 262,128,966 × 128,625,336.16
  4. Step 4: Simplify right side
    174,631,521.76x = 33,716,426,369,023,208
  5. Step 5: Solve for x
    x = 33,716,426,369,023,208/174,631,521.76
  6. Step 6: Final answer
    x = 193,071,823.63

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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.