Home / 309,734,574.72-464,599,795.36-125,499,332.76

Finding the Fourth Proportional to 309,734,574.72, 464,599,795.36 and 125,499,332.76

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Solution

The fourth proportional to 309,734,574.72, 464,599,795.36 and 125,499,332.76 is: 188,248,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,734,574.72 : 464,599,795.36 = 125,499,332.76 : x
  2. Step 2: Convert to fraction form
    309,734,574.72/464,599,795.36 = 125,499,332.76/x
  3. Step 3: Cross multiply
    309,734,574.72x = 464,599,795.36 × 125,499,332.76
  4. Step 4: Simplify right side
    309,734,574.72x = 58,306,964,318,112,552
  5. Step 5: Solve for x
    x = 58,306,964,318,112,552/309,734,574.72
  6. Step 6: Final answer
    x = 188,248,161.74

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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.