Home / 177,965,709.60-266,948,564.40-139,745,114.40

Finding the Fourth Proportional to 177,965,709.60, 266,948,564.40 and 139,745,114.40

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Solution

The fourth proportional to 177,965,709.60, 266,948,564.40 and 139,745,114.40 is: 209,617,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,965,709.60 : 266,948,564.40 = 139,745,114.40 : x
  2. Step 2: Convert to fraction form
    177,965,709.60/266,948,564.40 = 139,745,114.40/x
  3. Step 3: Cross multiply
    177,965,709.60x = 266,948,564.40 × 139,745,114.40
  4. Step 4: Simplify right side
    177,965,709.60x = 37,304,757,670,993,768
  5. Step 5: Solve for x
    x = 37,304,757,670,993,768/177,965,709.60
  6. Step 6: Final answer
    x = 209,617,671.60

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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.