Home / 151,973,381.16-209,723,445.38-82,358,761.68

Finding the Fourth Proportional to 151,973,381.16, 209,723,445.38 and 82,358,761.68

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Solution

The fourth proportional to 151,973,381.16, 209,723,445.38 and 82,358,761.68 is: 113,655,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,381.16 : 209,723,445.38 = 82,358,761.68 : x
  2. Step 2: Convert to fraction form
    151,973,381.16/209,723,445.38 = 82,358,761.68/x
  3. Step 3: Cross multiply
    151,973,381.16x = 209,723,445.38 × 82,358,761.68
  4. Step 4: Simplify right side
    151,973,381.16x = 17,272,563,256,759,918
  5. Step 5: Solve for x
    x = 17,272,563,256,759,918/151,973,381.16
  6. Step 6: Final answer
    x = 113,655,188.33

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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.