Home / 92,225,556.80-138,341,153.76-31,640,432.96

Finding the Fourth Proportional to 92,225,556.80, 138,341,153.76 and 31,640,432.96

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Solution

The fourth proportional to 92,225,556.80, 138,341,153.76 and 31,640,432.96 is: 47,461,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,225,556.80 : 138,341,153.76 = 31,640,432.96 : x
  2. Step 2: Convert to fraction form
    92,225,556.80/138,341,153.76 = 31,640,432.96/x
  3. Step 3: Cross multiply
    92,225,556.80x = 138,341,153.76 × 31,640,432.96
  4. Step 4: Simplify right side
    92,225,556.80x = 4,377,174,001,152,332
  5. Step 5: Solve for x
    x = 4,377,174,001,152,332/92,225,556.80
  6. Step 6: Final answer
    x = 47,461,616.42

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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.