Home / 168,812,085.15-253,213,404.01-53,803,528.83

Finding the Fourth Proportional to 168,812,085.15, 253,213,404.01 and 53,803,528.83

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Solution

The fourth proportional to 168,812,085.15, 253,213,404.01 and 53,803,528.83 is: 80,703,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812,085.15 : 253,213,404.01 = 53,803,528.83 : x
  2. Step 2: Convert to fraction form
    168,812,085.15/253,213,404.01 = 53,803,528.83/x
  3. Step 3: Cross multiply
    168,812,085.15x = 253,213,404.01 × 53,803,528.83
  4. Step 4: Simplify right side
    168,812,085.15x = 13,623,774,682,659,962
  5. Step 5: Solve for x
    x = 13,623,774,682,659,962/168,812,085.15
  6. Step 6: Final answer
    x = 80,703,787.71

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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.