Home / 283,929,887.72-391,824,425.46-153,549,695.72

Finding the Fourth Proportional to 283,929,887.72, 391,824,425.46 and 153,549,695.72

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Solution

The fourth proportional to 283,929,887.72, 391,824,425.46 and 153,549,695.72 is: 211,899,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,929,887.72 : 391,824,425.46 = 153,549,695.72 : x
  2. Step 2: Convert to fraction form
    283,929,887.72/391,824,425.46 = 153,549,695.72/x
  3. Step 3: Cross multiply
    283,929,887.72x = 391,824,425.46 × 153,549,695.72
  4. Step 4: Simplify right side
    283,929,887.72x = 60,164,521,305,046,816
  5. Step 5: Solve for x
    x = 60,164,521,305,046,816/283,929,887.72
  6. Step 6: Final answer
    x = 211,899,218.46

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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.