Home / 199,473,011.40-299,209,517.10-122,945,507.40

Finding the Fourth Proportional to 199,473,011.40, 299,209,517.10 and 122,945,507.40

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Solution

The fourth proportional to 199,473,011.40, 299,209,517.10 and 122,945,507.40 is: 184,418,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,473,011.40 : 299,209,517.10 = 122,945,507.40 : x
  2. Step 2: Convert to fraction form
    199,473,011.40/299,209,517.10 = 122,945,507.40/x
  3. Step 3: Cross multiply
    199,473,011.40x = 299,209,517.10 × 122,945,507.40
  4. Step 4: Simplify right side
    199,473,011.40x = 36,786,465,898,768,480
  5. Step 5: Solve for x
    x = 36,786,465,898,768,480/199,473,011.40
  6. Step 6: Final answer
    x = 184,418,261.10

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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.