Home / 119,451,863.32-164,755,563.04-90,084,433.68

Finding the Fourth Proportional to 119,451,863.32, 164,755,563.04 and 90,084,433.68

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Solution

The fourth proportional to 119,451,863.32, 164,755,563.04 and 90,084,433.68 is: 124,250,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,451,863.32 : 164,755,563.04 = 90,084,433.68 : x
  2. Step 2: Convert to fraction form
    119,451,863.32/164,755,563.04 = 90,084,433.68/x
  3. Step 3: Cross multiply
    119,451,863.32x = 164,755,563.04 × 90,084,433.68
  4. Step 4: Simplify right side
    119,451,863.32x = 14,841,911,592,087,940
  5. Step 5: Solve for x
    x = 14,841,911,592,087,940/119,451,863.32
  6. Step 6: Final answer
    x = 124,250,147.13

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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.