Home / 78,452,046.13-108,264,803.13-43,173,910

Finding the Fourth Proportional to 78,452,046.13, 108,264,803.13 and 43,173,910

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Solution

The fourth proportional to 78,452,046.13, 108,264,803.13 and 43,173,910 is: 59,580,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,452,046.13 : 108,264,803.13 = 43,173,910 : x
  2. Step 2: Convert to fraction form
    78,452,046.13/108,264,803.13 = 43,173,910/x
  3. Step 3: Cross multiply
    78,452,046.13x = 108,264,803.13 × 43,173,910
  4. Step 4: Simplify right side
    78,452,046.13x = 4,674,214,866,502,338
  5. Step 5: Solve for x
    x = 4,674,214,866,502,338/78,452,046.13
  6. Step 6: Final answer
    x = 59,580,534.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.