Home / 168,812,028.72-253,213,319.16-53,803,472.40

Finding the Fourth Proportional to 168,812,028.72, 253,213,319.16 and 53,803,472.40

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Solution

The fourth proportional to 168,812,028.72, 253,213,319.16 and 53,803,472.40 is: 80,703,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812,028.72 : 253,213,319.16 = 53,803,472.40 : x
  2. Step 2: Convert to fraction form
    168,812,028.72/253,213,319.16 = 53,803,472.40/x
  3. Step 3: Cross multiply
    168,812,028.72x = 253,213,319.16 × 53,803,472.40
  4. Step 4: Simplify right side
    168,812,028.72x = 13,623,755,828,737,450
  5. Step 5: Solve for x
    x = 13,623,755,828,737,450/168,812,028.72
  6. Step 6: Final answer
    x = 80,703,703.00

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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.