Home / 135,995,572.43-187,674,525.51-77,261,460.45

Finding the Fourth Proportional to 135,995,572.43, 187,674,525.51 and 77,261,460.45

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Solution

The fourth proportional to 135,995,572.43, 187,674,525.51 and 77,261,460.45 is: 106,621,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,995,572.43 : 187,674,525.51 = 77,261,460.45 : x
  2. Step 2: Convert to fraction form
    135,995,572.43/187,674,525.51 = 77,261,460.45/x
  3. Step 3: Cross multiply
    135,995,572.43x = 187,674,525.51 × 77,261,460.45
  4. Step 4: Simplify right side
    135,995,572.43x = 14,500,007,930,163,380
  5. Step 5: Solve for x
    x = 14,500,007,930,163,380/135,995,572.43
  6. Step 6: Final answer
    x = 106,621,176.50

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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.