Home / 315,552,651.40-473,105,028.30-121,389,041.80

Finding the Fourth Proportional to 315,552,651.40, 473,105,028.30 and 121,389,041.80

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Solution

The fourth proportional to 315,552,651.40, 473,105,028.30 and 121,389,041.80 is: 181,997,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,552,651.40 : 473,105,028.30 = 121,389,041.80 : x
  2. Step 2: Convert to fraction form
    315,552,651.40/473,105,028.30 = 121,389,041.80/x
  3. Step 3: Cross multiply
    315,552,651.40x = 473,105,028.30 × 121,389,041.80
  4. Step 4: Simplify right side
    315,552,651.40x = 57,429,766,056,098,880
  5. Step 5: Solve for x
    x = 57,429,766,056,098,880/315,552,651.40
  6. Step 6: Final answer
    x = 181,997,412.48

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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.