Home / 349,235,698.70-523,853,548.05-103,601,189.90

Finding the Fourth Proportional to 349,235,698.70, 523,853,548.05 and 103,601,189.90

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Solution

The fourth proportional to 349,235,698.70, 523,853,548.05 and 103,601,189.90 is: 155,401,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,235,698.70 : 523,853,548.05 = 103,601,189.90 : x
  2. Step 2: Convert to fraction form
    349,235,698.70/523,853,548.05 = 103,601,189.90/x
  3. Step 3: Cross multiply
    349,235,698.70x = 523,853,548.05 × 103,601,189.90
  4. Step 4: Simplify right side
    349,235,698.70x = 54,271,850,911,316,832
  5. Step 5: Solve for x
    x = 54,271,850,911,316,832/349,235,698.70
  6. Step 6: Final answer
    x = 155,401,784.85

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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.