Home / 314,986,137.87-472,501,909.76-120,897,553.35

Finding the Fourth Proportional to 314,986,137.87, 472,501,909.76 and 120,897,553.35

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Solution

The fourth proportional to 314,986,137.87, 472,501,909.76 and 120,897,553.35 is: 181,355,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,986,137.87 : 472,501,909.76 = 120,897,553.35 : x
  2. Step 2: Convert to fraction form
    314,986,137.87/472,501,909.76 = 120,897,553.35/x
  3. Step 3: Cross multiply
    314,986,137.87x = 472,501,909.76 × 120,897,553.35
  4. Step 4: Simplify right side
    314,986,137.87x = 57,124,324,842,581,992
  5. Step 5: Solve for x
    x = 57,124,324,842,581,992/314,986,137.87
  6. Step 6: Final answer
    x = 181,355,043.84

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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.