Home / 109,018,057.80-163,527,086.70-89,534,512.20

Finding the Fourth Proportional to 109,018,057.80, 163,527,086.70 and 89,534,512.20

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Solution

The fourth proportional to 109,018,057.80, 163,527,086.70 and 89,534,512.20 is: 134,301,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,018,057.80 : 163,527,086.70 = 89,534,512.20 : x
  2. Step 2: Convert to fraction form
    109,018,057.80/163,527,086.70 = 89,534,512.20/x
  3. Step 3: Cross multiply
    109,018,057.80x = 163,527,086.70 × 89,534,512.20
  4. Step 4: Simplify right side
    109,018,057.80x = 14,641,317,939,171,608
  5. Step 5: Solve for x
    x = 14,641,317,939,171,608/109,018,057.80
  6. Step 6: Final answer
    x = 134,301,768.30

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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.