Home / 109,917,010.60-164,875,515.90-77,668,383.40

Finding the Fourth Proportional to 109,917,010.60, 164,875,515.90 and 77,668,383.40

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Solution

The fourth proportional to 109,917,010.60, 164,875,515.90 and 77,668,383.40 is: 116,502,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917,010.60 : 164,875,515.90 = 77,668,383.40 : x
  2. Step 2: Convert to fraction form
    109,917,010.60/164,875,515.90 = 77,668,383.40/x
  3. Step 3: Cross multiply
    109,917,010.60x = 164,875,515.90 × 77,668,383.40
  4. Step 4: Simplify right side
    109,917,010.60x = 12,805,614,782,193,998
  5. Step 5: Solve for x
    x = 12,805,614,782,193,998/109,917,010.60
  6. Step 6: Final answer
    x = 116,502,575.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.