Home / 132,808,220.90-199,212,331.35-68,238,139.40

Finding the Fourth Proportional to 132,808,220.90, 199,212,331.35 and 68,238,139.40

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Solution

The fourth proportional to 132,808,220.90, 199,212,331.35 and 68,238,139.40 is: 102,357,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,808,220.90 : 199,212,331.35 = 68,238,139.40 : x
  2. Step 2: Convert to fraction form
    132,808,220.90/199,212,331.35 = 68,238,139.40/x
  3. Step 3: Cross multiply
    132,808,220.90x = 199,212,331.35 × 68,238,139.40
  4. Step 4: Simplify right side
    132,808,220.90x = 13,593,878,836,860,290
  5. Step 5: Solve for x
    x = 13,593,878,836,860,290/132,808,220.90
  6. Step 6: Final answer
    x = 102,357,209.10

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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.