Home / 90,930,460.14-136,481,921.46-56,282,053.55

Finding the Fourth Proportional to 90,930,460.14, 136,481,921.46 and 56,282,053.55

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Solution

The fourth proportional to 90,930,460.14, 136,481,921.46 and 56,282,053.55 is: 84,476,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930,460.14 : 136,481,921.46 = 56,282,053.55 : x
  2. Step 2: Convert to fraction form
    90,930,460.14/136,481,921.46 = 56,282,053.55/x
  3. Step 3: Cross multiply
    90,930,460.14x = 136,481,921.46 × 56,282,053.55
  4. Step 4: Simplify right side
    90,930,460.14x = 7,681,482,811,536,205
  5. Step 5: Solve for x
    x = 7,681,482,811,536,205/90,930,460.14
  6. Step 6: Final answer
    x = 84,476,453.76

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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.