Home / 115,848,334.80-173,772,502.20-61,239,819.60

Finding the Fourth Proportional to 115,848,334.80, 173,772,502.20 and 61,239,819.60

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Solution

The fourth proportional to 115,848,334.80, 173,772,502.20 and 61,239,819.60 is: 91,859,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,848,334.80 : 173,772,502.20 = 61,239,819.60 : x
  2. Step 2: Convert to fraction form
    115,848,334.80/173,772,502.20 = 61,239,819.60/x
  3. Step 3: Cross multiply
    115,848,334.80x = 173,772,502.20 × 61,239,819.60
  4. Step 4: Simplify right side
    115,848,334.80x = 10,641,796,686,168,602
  5. Step 5: Solve for x
    x = 10,641,796,686,168,602/115,848,334.80
  6. Step 6: Final answer
    x = 91,859,729.40

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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.