Home / 177,948,698.60-266,923,047.90-139,728,103.40

Finding the Fourth Proportional to 177,948,698.60, 266,923,047.90 and 139,728,103.40

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Solution

The fourth proportional to 177,948,698.60, 266,923,047.90 and 139,728,103.40 is: 209,592,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,948,698.60 : 266,923,047.90 = 139,728,103.40 : x
  2. Step 2: Convert to fraction form
    177,948,698.60/266,923,047.90 = 139,728,103.40/x
  3. Step 3: Cross multiply
    177,948,698.60x = 266,923,047.90 × 139,728,103.40
  4. Step 4: Simplify right side
    177,948,698.60x = 37,296,651,236,814,352
  5. Step 5: Solve for x
    x = 37,296,651,236,814,352/177,948,698.60
  6. Step 6: Final answer
    x = 209,592,155.10

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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.