Home / 349,235,699.20-523,853,548.80-103,601,190.40

Finding the Fourth Proportional to 349,235,699.20, 523,853,548.80 and 103,601,190.40

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Solution

The fourth proportional to 349,235,699.20, 523,853,548.80 and 103,601,190.40 is: 155,401,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,235,699.20 : 523,853,548.80 = 103,601,190.40 : x
  2. Step 2: Convert to fraction form
    349,235,699.20/523,853,548.80 = 103,601,190.40/x
  3. Step 3: Cross multiply
    349,235,699.20x = 523,853,548.80 × 103,601,190.40
  4. Step 4: Simplify right side
    349,235,699.20x = 54,271,851,250,944,496
  5. Step 5: Solve for x
    x = 54,271,851,250,944,496/349,235,699.20
  6. Step 6: Final answer
    x = 155,401,785.60

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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.