Home / 215,586,216.80-323,426,564.40-69,995,002.40

Finding the Fourth Proportional to 215,586,216.80, 323,426,564.40 and 69,995,002.40

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Solution

The fourth proportional to 215,586,216.80, 323,426,564.40 and 69,995,002.40 is: 105,007,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,586,216.80 : 323,426,564.40 = 69,995,002.40 : x
  2. Step 2: Convert to fraction form
    215,586,216.80/323,426,564.40 = 69,995,002.40/x
  3. Step 3: Cross multiply
    215,586,216.80x = 323,426,564.40 × 69,995,002.40
  4. Step 4: Simplify right side
    215,586,216.80x = 22,638,243,151,401,756
  5. Step 5: Solve for x
    x = 22,638,243,151,401,756/215,586,216.80
  6. Step 6: Final answer
    x = 105,007,840.89

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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.