Home / 109,938,805.70-164,908,208.55-84,110,773.10

Finding the Fourth Proportional to 109,938,805.70, 164,908,208.55 and 84,110,773.10

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Solution

The fourth proportional to 109,938,805.70, 164,908,208.55 and 84,110,773.10 is: 126,166,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938,805.70 : 164,908,208.55 = 84,110,773.10 : x
  2. Step 2: Convert to fraction form
    109,938,805.70/164,908,208.55 = 84,110,773.10/x
  3. Step 3: Cross multiply
    109,938,805.70x = 164,908,208.55 × 84,110,773.10
  4. Step 4: Simplify right side
    109,938,805.70x = 13,870,556,911,676,530
  5. Step 5: Solve for x
    x = 13,870,556,911,676,530/109,938,805.70
  6. Step 6: Final answer
    x = 126,166,159.65

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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.