Home / 109,938,854.20-164,908,281.30-84,110,821.60

Finding the Fourth Proportional to 109,938,854.20, 164,908,281.30 and 84,110,821.60

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Solution

The fourth proportional to 109,938,854.20, 164,908,281.30 and 84,110,821.60 is: 126,166,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938,854.20 : 164,908,281.30 = 84,110,821.60 : x
  2. Step 2: Convert to fraction form
    109,938,854.20/164,908,281.30 = 84,110,821.60/x
  3. Step 3: Cross multiply
    109,938,854.20x = 164,908,281.30 × 84,110,821.60
  4. Step 4: Simplify right side
    109,938,854.20x = 13,870,571,028,786,916
  5. Step 5: Solve for x
    x = 13,870,571,028,786,916/109,938,854.20
  6. Step 6: Final answer
    x = 126,166,232.40

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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.