Home / 109,938,808.20-164,908,212.30-84,110,775.60

Finding the Fourth Proportional to 109,938,808.20, 164,908,212.30 and 84,110,775.60

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Solution

The fourth proportional to 109,938,808.20, 164,908,212.30 and 84,110,775.60 is: 126,166,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938,808.20 : 164,908,212.30 = 84,110,775.60 : x
  2. Step 2: Convert to fraction form
    109,938,808.20/164,908,212.30 = 84,110,775.60/x
  3. Step 3: Cross multiply
    109,938,808.20x = 164,908,212.30 × 84,110,775.60
  4. Step 4: Simplify right side
    109,938,808.20x = 13,870,557,639,362,460
  5. Step 5: Solve for x
    x = 13,870,557,639,362,460/109,938,808.20
  6. Step 6: Final answer
    x = 126,166,163.40

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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.