Home / 292,995,640.80-439,563,445.20-88,525,720.80

Finding the Fourth Proportional to 292,995,640.80, 439,563,445.20 and 88,525,720.80

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Solution

The fourth proportional to 292,995,640.80, 439,563,445.20 and 88,525,720.80 is: 132,809,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,995,640.80 : 439,563,445.20 = 88,525,720.80 : x
  2. Step 2: Convert to fraction form
    292,995,640.80/439,563,445.20 = 88,525,720.80/x
  3. Step 3: Cross multiply
    292,995,640.80x = 439,563,445.20 × 88,525,720.80
  4. Step 4: Simplify right side
    292,995,640.80x = 38,912,670,823,661,296
  5. Step 5: Solve for x
    x = 38,912,670,823,661,296/292,995,640.80
  6. Step 6: Final answer
    x = 132,809,726.17

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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.