Home / 157,507,206.40-236,260,809.60-143,146,489.60

Finding the Fourth Proportional to 157,507,206.40, 236,260,809.60 and 143,146,489.60

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Solution

The fourth proportional to 157,507,206.40, 236,260,809.60 and 143,146,489.60 is: 214,719,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507,206.40 : 236,260,809.60 = 143,146,489.60 : x
  2. Step 2: Convert to fraction form
    157,507,206.40/236,260,809.60 = 143,146,489.60/x
  3. Step 3: Cross multiply
    157,507,206.40x = 236,260,809.60 × 143,146,489.60
  4. Step 4: Simplify right side
    157,507,206.40x = 33,819,905,524,293,976
  5. Step 5: Solve for x
    x = 33,819,905,524,293,976/157,507,206.40
  6. Step 6: Final answer
    x = 214,719,734.40

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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.