Home / 283,508,528.10-391,242,032.44-153,128,336.10

Finding the Fourth Proportional to 283,508,528.10, 391,242,032.44 and 153,128,336.10

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Solution

The fourth proportional to 283,508,528.10, 391,242,032.44 and 153,128,336.10 is: 211,317,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,508,528.10 : 391,242,032.44 = 153,128,336.10 : x
  2. Step 2: Convert to fraction form
    283,508,528.10/391,242,032.44 = 153,128,336.10/x
  3. Step 3: Cross multiply
    283,508,528.10x = 391,242,032.44 × 153,128,336.10
  4. Step 4: Simplify right side
    283,508,528.10x = 59,910,241,440,131,880
  5. Step 5: Solve for x
    x = 59,910,241,440,131,880/283,508,528.10
  6. Step 6: Final answer
    x = 211,317,246.23

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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.