Home / 143,825,627.07-215,714,821.01-61,922,455.20

Finding the Fourth Proportional to 143,825,627.07, 215,714,821.01 and 61,922,455.20

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Solution

The fourth proportional to 143,825,627.07, 215,714,821.01 and 61,922,455.20 is: 92,873,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,825,627.07 : 215,714,821.01 = 61,922,455.20 : x
  2. Step 2: Convert to fraction form
    143,825,627.07/215,714,821.01 = 61,922,455.20/x
  3. Step 3: Cross multiply
    143,825,627.07x = 215,714,821.01 × 61,922,455.20
  4. Step 4: Simplify right side
    143,825,627.07x = 13,357,591,339,658,132
  5. Step 5: Solve for x
    x = 13,357,591,339,658,132/143,825,627.07
  6. Step 6: Final answer
    x = 92,873,513.66

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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.