Home / 107,801,386.80-161,702,080.20-43,115,175.60

Finding the Fourth Proportional to 107,801,386.80, 161,702,080.20 and 43,115,175.60

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Solution

The fourth proportional to 107,801,386.80, 161,702,080.20 and 43,115,175.60 is: 64,672,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,801,386.80 : 161,702,080.20 = 43,115,175.60 : x
  2. Step 2: Convert to fraction form
    107,801,386.80/161,702,080.20 = 43,115,175.60/x
  3. Step 3: Cross multiply
    107,801,386.80x = 161,702,080.20 × 43,115,175.60
  4. Step 4: Simplify right side
    107,801,386.80x = 6,971,813,582,708,283
  5. Step 5: Solve for x
    x = 6,971,813,582,708,283/107,801,386.80
  6. Step 6: Final answer
    x = 64,672,763.40

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1.5x scale

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.