Home / 179,285,984.16-247,408,126.13-99,896,943.75

Finding the Fourth Proportional to 179,285,984.16, 247,408,126.13 and 99,896,943.75

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Solution

The fourth proportional to 179,285,984.16, 247,408,126.13 and 99,896,943.75 is: 137,854,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285,984.16 : 247,408,126.13 = 99,896,943.75 : x
  2. Step 2: Convert to fraction form
    179,285,984.16/247,408,126.13 = 99,896,943.75/x
  3. Step 3: Cross multiply
    179,285,984.16x = 247,408,126.13 × 99,896,943.75
  4. Step 4: Simplify right side
    179,285,984.16x = 24,715,315,658,062,056
  5. Step 5: Solve for x
    x = 24,715,315,658,062,056/179,285,984.16
  6. Step 6: Final answer
    x = 137,854,142.78

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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.