Home / 212,756,756.16-293,591,679.00-123,441,781.91

Finding the Fourth Proportional to 212,756,756.16, 293,591,679.00 and 123,441,781.91

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Solution

The fourth proportional to 212,756,756.16, 293,591,679.00 and 123,441,781.91 is: 170,342,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,756,756.16 : 293,591,679.00 = 123,441,781.91 : x
  2. Step 2: Convert to fraction form
    212,756,756.16/293,591,679.00 = 123,441,781.91/x
  3. Step 3: Cross multiply
    212,756,756.16x = 293,591,679.00 × 123,441,781.91
  4. Step 4: Simplify right side
    212,756,756.16x = 36,241,480,009,572,568
  5. Step 5: Solve for x
    x = 36,241,480,009,572,568/212,756,756.16
  6. Step 6: Final answer
    x = 170,342,322.68

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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.