Home / 124,204,201.84-171,402,970.02-68,451,632.78

Finding the Fourth Proportional to 124,204,201.84, 171,402,970.02 and 68,451,632.78

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Solution

The fourth proportional to 124,204,201.84, 171,402,970.02 and 68,451,632.78 is: 94,463,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,204,201.84 : 171,402,970.02 = 68,451,632.78 : x
  2. Step 2: Convert to fraction form
    124,204,201.84/171,402,970.02 = 68,451,632.78/x
  3. Step 3: Cross multiply
    124,204,201.84x = 171,402,970.02 × 68,451,632.78
  4. Step 4: Simplify right side
    124,204,201.84x = 11,732,813,161,210,390
  5. Step 5: Solve for x
    x = 11,732,813,161,210,390/124,204,201.84
  6. Step 6: Final answer
    x = 94,463,898.87

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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.