Home / 314,986,134.87-472,501,905.26-120,897,550.35

Finding the Fourth Proportional to 314,986,134.87, 472,501,905.26 and 120,897,550.35

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Solution

The fourth proportional to 314,986,134.87, 472,501,905.26 and 120,897,550.35 is: 181,355,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,986,134.87 : 472,501,905.26 = 120,897,550.35 : x
  2. Step 2: Convert to fraction form
    314,986,134.87/472,501,905.26 = 120,897,550.35/x
  3. Step 3: Cross multiply
    314,986,134.87x = 472,501,905.26 × 120,897,550.35
  4. Step 4: Simplify right side
    314,986,134.87x = 57,124,322,881,037,288
  5. Step 5: Solve for x
    x = 57,124,322,881,037,288/314,986,134.87
  6. Step 6: Final answer
    x = 181,355,039.34

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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.