Home / 90,221,877.22-124,733,888.82-66,663,256.84

Finding the Fourth Proportional to 90,221,877.22, 124,733,888.82 and 66,663,256.84

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Solution

The fourth proportional to 90,221,877.22, 124,733,888.82 and 66,663,256.84 is: 92,163,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,221,877.22 : 124,733,888.82 = 66,663,256.84 : x
  2. Step 2: Convert to fraction form
    90,221,877.22/124,733,888.82 = 66,663,256.84/x
  3. Step 3: Cross multiply
    90,221,877.22x = 124,733,888.82 × 66,663,256.84
  4. Step 4: Simplify right side
    90,221,877.22x = 8,315,167,267,059,664
  5. Step 5: Solve for x
    x = 8,315,167,267,059,664/90,221,877.22
  6. Step 6: Final answer
    x = 92,163,536.42

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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.