Home / 245,856,644.20-368,803,628.70-73,319,991.40

Finding the Fourth Proportional to 245,856,644.20, 368,803,628.70 and 73,319,991.40

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Solution

The fourth proportional to 245,856,644.20, 368,803,628.70 and 73,319,991.40 is: 109,985,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,856,644.20 : 368,803,628.70 = 73,319,991.40 : x
  2. Step 2: Convert to fraction form
    245,856,644.20/368,803,628.70 = 73,319,991.40/x
  3. Step 3: Cross multiply
    245,856,644.20x = 368,803,628.70 × 73,319,991.40
  4. Step 4: Simplify right side
    245,856,644.20x = 27,040,678,884,572,796
  5. Step 5: Solve for x
    x = 27,040,678,884,572,796/245,856,644.20
  6. Step 6: Final answer
    x = 109,985,552.65

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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.