Home / 163,716,129.64-225,926,873.22-90,375,697

Finding the Fourth Proportional to 163,716,129.64, 225,926,873.22 and 90,375,697

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Solution

The fourth proportional to 163,716,129.64, 225,926,873.22 and 90,375,697 is: 124,717,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,716,129.64 : 225,926,873.22 = 90,375,697 : x
  2. Step 2: Convert to fraction form
    163,716,129.64/225,926,873.22 = 90,375,697/x
  3. Step 3: Cross multiply
    163,716,129.64x = 225,926,873.22 × 90,375,697
  4. Step 4: Simplify right side
    163,716,129.64x = 20,418,298,638,288,136
  5. Step 5: Solve for x
    x = 20,418,298,638,288,136/163,716,129.64
  6. Step 6: Final answer
    x = 124,717,696.93

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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.