Home / 137,389,765.24-206,116,483.32-45,270,205.12

Finding the Fourth Proportional to 137,389,765.24, 206,116,483.32 and 45,270,205.12

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Solution

The fourth proportional to 137,389,765.24, 206,116,483.32 and 45,270,205.12 is: 67,915,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,389,765.24 : 206,116,483.32 = 45,270,205.12 : x
  2. Step 2: Convert to fraction form
    137,389,765.24/206,116,483.32 = 45,270,205.12/x
  3. Step 3: Cross multiply
    137,389,765.24x = 206,116,483.32 × 45,270,205.12
  4. Step 4: Simplify right side
    137,389,765.24x = 9,330,935,478,509,458
  5. Step 5: Solve for x
    x = 9,330,935,478,509,458/137,389,765.24
  6. Step 6: Final answer
    x = 67,915,797.53

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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.