Home / 159,250,121.69-219,720,756.74-102,710,943.54

Finding the Fourth Proportional to 159,250,121.69, 219,720,756.74 and 102,710,943.54

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Solution

The fourth proportional to 159,250,121.69, 219,720,756.74 and 102,710,943.54 is: 141,712,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,250,121.69 : 219,720,756.74 = 102,710,943.54 : x
  2. Step 2: Convert to fraction form
    159,250,121.69/219,720,756.74 = 102,710,943.54/x
  3. Step 3: Cross multiply
    159,250,121.69x = 219,720,756.74 × 102,710,943.54
  4. Step 4: Simplify right side
    159,250,121.69x = 22,567,726,239,574,664
  5. Step 5: Solve for x
    x = 22,567,726,239,574,664/159,250,121.69
  6. Step 6: Final answer
    x = 141,712,458.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.