Home / 118,334,449.31-163,298,407.20-66,123,914

Finding the Fourth Proportional to 118,334,449.31, 163,298,407.20 and 66,123,914

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Solution

The fourth proportional to 118,334,449.31, 163,298,407.20 and 66,123,914 is: 91,249,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334,449.31 : 163,298,407.20 = 66,123,914 : x
  2. Step 2: Convert to fraction form
    118,334,449.31/163,298,407.20 = 66,123,914/x
  3. Step 3: Cross multiply
    118,334,449.31x = 163,298,407.20 × 66,123,914
  4. Step 4: Simplify right side
    118,334,449.31x = 10,797,929,834,029,780
  5. Step 5: Solve for x
    x = 10,797,929,834,029,780/118,334,449.31
  6. Step 6: Final answer
    x = 91,249,250.72

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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.