Home / 72,108,509.54-108,162,899.52-17,521,141.22

Finding the Fourth Proportional to 72,108,509.54, 108,162,899.52 and 17,521,141.22

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Solution

The fourth proportional to 72,108,509.54, 108,162,899.52 and 17,521,141.22 is: 26,281,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,108,509.54 : 108,162,899.52 = 17,521,141.22 : x
  2. Step 2: Convert to fraction form
    72,108,509.54/108,162,899.52 = 17,521,141.22/x
  3. Step 3: Cross multiply
    72,108,509.54x = 108,162,899.52 × 17,521,141.22
  4. Step 4: Simplify right side
    72,108,509.54x = 1,895,137,437,254,590
  5. Step 5: Solve for x
    x = 1,895,137,437,254,590/72,108,509.54
  6. Step 6: Final answer
    x = 26,281,744.68

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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.