Home / 238,174,468.84-357,222,077.55-72,138,498

Finding the Fourth Proportional to 238,174,468.84, 357,222,077.55 and 72,138,498

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Solution

The fourth proportional to 238,174,468.84, 357,222,077.55 and 72,138,498 is: 108,195,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,174,468.84 : 357,222,077.55 = 72,138,498 : x
  2. Step 2: Convert to fraction form
    238,174,468.84/357,222,077.55 = 72,138,498/x
  3. Step 3: Cross multiply
    238,174,468.84x = 357,222,077.55 × 72,138,498
  4. Step 4: Simplify right side
    238,174,468.84x = 25,769,464,126,896,520
  5. Step 5: Solve for x
    x = 25,769,464,126,896,520/238,174,468.84
  6. Step 6: Final answer
    x = 108,195,745.13

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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.