Home / 259,584,015.20-389,376,022.80-157,463,362.40

Finding the Fourth Proportional to 259,584,015.20, 389,376,022.80 and 157,463,362.40

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Solution

The fourth proportional to 259,584,015.20, 389,376,022.80 and 157,463,362.40 is: 236,195,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,584,015.20 : 389,376,022.80 = 157,463,362.40 : x
  2. Step 2: Convert to fraction form
    259,584,015.20/389,376,022.80 = 157,463,362.40/x
  3. Step 3: Cross multiply
    259,584,015.20x = 389,376,022.80 × 157,463,362.40
  4. Step 4: Simplify right side
    259,584,015.20x = 61,312,457,788,027,064
  5. Step 5: Solve for x
    x = 61,312,457,788,027,064/259,584,015.20
  6. Step 6: Final answer
    x = 236,195,043.60

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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.