Home / 90,869,442.11-136,346,727.63-44,786,189.51

Finding the Fourth Proportional to 90,869,442.11, 136,346,727.63 and 44,786,189.51

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Solution

The fourth proportional to 90,869,442.11, 136,346,727.63 and 44,786,189.51 is: 67,200,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,869,442.11 : 136,346,727.63 = 44,786,189.51 : x
  2. Step 2: Convert to fraction form
    90,869,442.11/136,346,727.63 = 44,786,189.51/x
  3. Step 3: Cross multiply
    90,869,442.11x = 136,346,727.63 × 44,786,189.51
  4. Step 4: Simplify right side
    90,869,442.11x = 6,106,450,382,705,533
  5. Step 5: Solve for x
    x = 6,106,450,382,705,533/90,869,442.11
  6. Step 6: Final answer
    x = 67,200,262.72

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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.