Home / 177,658,712.70-266,393,590.65-75,307,112.70

Finding the Fourth Proportional to 177,658,712.70, 266,393,590.65 and 75,307,112.70

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Solution

The fourth proportional to 177,658,712.70, 266,393,590.65 and 75,307,112.70 is: 112,920,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,658,712.70 : 266,393,590.65 = 75,307,112.70 : x
  2. Step 2: Convert to fraction form
    177,658,712.70/266,393,590.65 = 75,307,112.70/x
  3. Step 3: Cross multiply
    177,658,712.70x = 266,393,590.65 × 75,307,112.70
  4. Step 4: Simplify right side
    177,658,712.70x = 20,061,332,153,637,216
  5. Step 5: Solve for x
    x = 20,061,332,153,637,216/177,658,712.70
  6. Step 6: Final answer
    x = 112,920,620.94

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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.