Home / 119,702,206.84-165,189,116.38-66,778,914.60

Finding the Fourth Proportional to 119,702,206.84, 165,189,116.38 and 66,778,914.60

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Solution

The fourth proportional to 119,702,206.84, 165,189,116.38 and 66,778,914.60 is: 92,154,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,702,206.84 : 165,189,116.38 = 66,778,914.60 : x
  2. Step 2: Convert to fraction form
    119,702,206.84/165,189,116.38 = 66,778,914.60/x
  3. Step 3: Cross multiply
    119,702,206.84x = 165,189,116.38 × 66,778,914.60
  4. Step 4: Simplify right side
    119,702,206.84x = 11,031,149,895,589,482
  5. Step 5: Solve for x
    x = 11,031,149,895,589,482/119,702,206.84
  6. Step 6: Final answer
    x = 92,154,941.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.