Home / 197,316,643.20-295,974,964.80-193,915,420.80

Finding the Fourth Proportional to 197,316,643.20, 295,974,964.80 and 193,915,420.80

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Solution

The fourth proportional to 197,316,643.20, 295,974,964.80 and 193,915,420.80 is: 290,873,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,316,643.20 : 295,974,964.80 = 193,915,420.80 : x
  2. Step 2: Convert to fraction form
    197,316,643.20/295,974,964.80 = 193,915,420.80/x
  3. Step 3: Cross multiply
    197,316,643.20x = 295,974,964.80 × 193,915,420.80
  4. Step 4: Simplify right side
    197,316,643.20x = 57,394,109,845,457,192
  5. Step 5: Solve for x
    x = 57,394,109,845,457,192/197,316,643.20
  6. Step 6: Final answer
    x = 290,873,131.20

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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.