Home / 151,783,514.10-209,461,319.96-82,168,894.89

Finding the Fourth Proportional to 151,783,514.10, 209,461,319.96 and 82,168,894.89

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Solution

The fourth proportional to 151,783,514.10, 209,461,319.96 and 82,168,894.89 is: 113,393,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783,514.10 : 209,461,319.96 = 82,168,894.89 : x
  2. Step 2: Convert to fraction form
    151,783,514.10/209,461,319.96 = 82,168,894.89/x
  3. Step 3: Cross multiply
    151,783,514.10x = 209,461,319.96 × 82,168,894.89
  4. Step 4: Simplify right side
    151,783,514.10x = 17,211,205,182,903,056
  5. Step 5: Solve for x
    x = 17,211,205,182,903,056/151,783,514.10
  6. Step 6: Final answer
    x = 113,393,113.11

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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.