Home / 233,122,980.78-321,704,602.02-127,272,778.56

Finding the Fourth Proportional to 233,122,980.78, 321,704,602.02 and 127,272,778.56

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Solution

The fourth proportional to 233,122,980.78, 321,704,602.02 and 127,272,778.56 is: 175,633,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,122,980.78 : 321,704,602.02 = 127,272,778.56 : x
  2. Step 2: Convert to fraction form
    233,122,980.78/321,704,602.02 = 127,272,778.56/x
  3. Step 3: Cross multiply
    233,122,980.78x = 321,704,602.02 × 127,272,778.56
  4. Step 4: Simplify right side
    233,122,980.78x = 40,944,238,574,624,384
  5. Step 5: Solve for x
    x = 40,944,238,574,624,384/233,122,980.78
  6. Step 6: Final answer
    x = 175,633,643.83

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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.