Home / 168,812,029.72-253,213,320.66-53,803,473.40

Finding the Fourth Proportional to 168,812,029.72, 253,213,320.66 and 53,803,473.40

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Solution

The fourth proportional to 168,812,029.72, 253,213,320.66 and 53,803,473.40 is: 80,703,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812,029.72 : 253,213,320.66 = 53,803,473.40 : x
  2. Step 2: Convert to fraction form
    168,812,029.72/253,213,320.66 = 53,803,473.40/x
  3. Step 3: Cross multiply
    168,812,029.72x = 253,213,320.66 × 53,803,473.40
  4. Step 4: Simplify right side
    168,812,029.72x = 13,623,756,162,655,980
  5. Step 5: Solve for x
    x = 13,623,756,162,655,980/168,812,029.72
  6. Step 6: Final answer
    x = 80,703,704.50

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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.