Home / 107,896,010.40-161,844,015.60-98,070,256.80

Finding the Fourth Proportional to 107,896,010.40, 161,844,015.60 and 98,070,256.80

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Solution

The fourth proportional to 107,896,010.40, 161,844,015.60 and 98,070,256.80 is: 147,105,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,010.40 : 161,844,015.60 = 98,070,256.80 : x
  2. Step 2: Convert to fraction form
    107,896,010.40/161,844,015.60 = 98,070,256.80/x
  3. Step 3: Cross multiply
    107,896,010.40x = 161,844,015.60 × 98,070,256.80
  4. Step 4: Simplify right side
    107,896,010.40x = 15,872,084,171,435,206
  5. Step 5: Solve for x
    x = 15,872,084,171,435,206/107,896,010.40
  6. Step 6: Final answer
    x = 147,105,385.20

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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.