Home / 245,999,462.52-369,135,393.78-147,388,841.28

Finding the Fourth Proportional to 245,999,462.52, 369,135,393.78 and 147,388,841.28

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Solution

The fourth proportional to 245,999,462.52, 369,135,393.78 and 147,388,841.28 is: 221,164,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,999,462.52 : 369,135,393.78 = 147,388,841.28 : x
  2. Step 2: Convert to fraction form
    245,999,462.52/369,135,393.78 = 147,388,841.28/x
  3. Step 3: Cross multiply
    245,999,462.52x = 369,135,393.78 × 147,388,841.28
  4. Step 4: Simplify right side
    245,999,462.52x = 54,406,437,964,670,712
  5. Step 5: Solve for x
    x = 54,406,437,964,670,712/245,999,462.52
  6. Step 6: Final answer
    x = 221,164,865.19

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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.