Home / 90,099,388.62-124,439,799.27-61,075,624.14

Finding the Fourth Proportional to 90,099,388.62, 124,439,799.27 and 61,075,624.14

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Solution

The fourth proportional to 90,099,388.62, 124,439,799.27 and 61,075,624.14 is: 84,353,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,099,388.62 : 124,439,799.27 = 61,075,624.14 : x
  2. Step 2: Convert to fraction form
    90,099,388.62/124,439,799.27 = 61,075,624.14/x
  3. Step 3: Cross multiply
    90,099,388.62x = 124,439,799.27 × 61,075,624.14
  4. Step 4: Simplify right side
    90,099,388.62x = 7,600,238,408,271,566
  5. Step 5: Solve for x
    x = 7,600,238,408,271,566/90,099,388.62
  6. Step 6: Final answer
    x = 84,353,939.85

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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.