Home / 109,938,810.70-164,908,216.05-84,110,778.10

Finding the Fourth Proportional to 109,938,810.70, 164,908,216.05 and 84,110,778.10

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Solution

The fourth proportional to 109,938,810.70, 164,908,216.05 and 84,110,778.10 is: 126,166,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938,810.70 : 164,908,216.05 = 84,110,778.10 : x
  2. Step 2: Convert to fraction form
    109,938,810.70/164,908,216.05 = 84,110,778.10/x
  3. Step 3: Cross multiply
    109,938,810.70x = 164,908,216.05 × 84,110,778.10
  4. Step 4: Simplify right side
    109,938,810.70x = 13,870,558,367,048,408
  5. Step 5: Solve for x
    x = 13,870,558,367,048,408/109,938,810.70
  6. Step 6: Final answer
    x = 126,166,167.15

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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.