Home / 115,918,022.16-159,970,470.48-63,706,109.04

Finding the Fourth Proportional to 115,918,022.16, 159,970,470.48 and 63,706,109.04

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Solution

The fourth proportional to 115,918,022.16, 159,970,470.48 and 63,706,109.04 is: 87,916,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,022.16 : 159,970,470.48 = 63,706,109.04 : x
  2. Step 2: Convert to fraction form
    115,918,022.16/159,970,470.48 = 63,706,109.04/x
  3. Step 3: Cross multiply
    115,918,022.16x = 159,970,470.48 × 63,706,109.04
  4. Step 4: Simplify right side
    115,918,022.16x = 10,191,096,235,578,980
  5. Step 5: Solve for x
    x = 10,191,096,235,578,980/115,918,022.16
  6. Step 6: Final answer
    x = 87,916,408.90

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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.