Home / 177,965,706.60-266,948,559.90-139,745,111.40

Finding the Fourth Proportional to 177,965,706.60, 266,948,559.90 and 139,745,111.40

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Solution

The fourth proportional to 177,965,706.60, 266,948,559.90 and 139,745,111.40 is: 209,617,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,965,706.60 : 266,948,559.90 = 139,745,111.40 : x
  2. Step 2: Convert to fraction form
    177,965,706.60/266,948,559.90 = 139,745,111.40/x
  3. Step 3: Cross multiply
    177,965,706.60x = 266,948,559.90 × 139,745,111.40
  4. Step 4: Simplify right side
    177,965,706.60x = 37,304,756,241,295,072
  5. Step 5: Solve for x
    x = 37,304,756,241,295,072/177,965,706.60
  6. Step 6: Final answer
    x = 209,617,667.10

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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.