Home / 118,334,450.31-163,298,408.58-66,123,915

Finding the Fourth Proportional to 118,334,450.31, 163,298,408.58 and 66,123,915

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Solution

The fourth proportional to 118,334,450.31, 163,298,408.58 and 66,123,915 is: 91,249,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334,450.31 : 163,298,408.58 = 66,123,915 : x
  2. Step 2: Convert to fraction form
    118,334,450.31/163,298,408.58 = 66,123,915/x
  3. Step 3: Cross multiply
    118,334,450.31x = 163,298,408.58 × 66,123,915
  4. Step 4: Simplify right side
    118,334,450.31x = 10,797,930,088,579,192
  5. Step 5: Solve for x
    x = 10,797,930,088,579,192/118,334,450.31
  6. Step 6: Final answer
    x = 91,249,252.10

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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.