Home / 283,508,531.10-391,242,036.58-153,128,339.10

Finding the Fourth Proportional to 283,508,531.10, 391,242,036.58 and 153,128,339.10

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Solution

The fourth proportional to 283,508,531.10, 391,242,036.58 and 153,128,339.10 is: 211,317,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,508,531.10 : 391,242,036.58 = 153,128,339.10 : x
  2. Step 2: Convert to fraction form
    283,508,531.10/391,242,036.58 = 153,128,339.10/x
  3. Step 3: Cross multiply
    283,508,531.10x = 391,242,036.58 × 153,128,339.10
  4. Step 4: Simplify right side
    283,508,531.10x = 59,910,243,247,596,840
  5. Step 5: Solve for x
    x = 59,910,243,247,596,840/283,508,531.10
  6. Step 6: Final answer
    x = 211,317,250.37

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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.