Home / 259,722,148-358,427,830.80-143,828,644

Finding the Fourth Proportional to 259,722,148, 358,427,830.80 and 143,828,644

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Solution

The fourth proportional to 259,722,148, 358,427,830.80 and 143,828,644 is: 198,489,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,722,148 : 358,427,830.80 = 143,828,644 : x
  2. Step 2: Convert to fraction form
    259,722,148/358,427,830.80 = 143,828,644/x
  3. Step 3: Cross multiply
    259,722,148x = 358,427,830.80 × 143,828,644
  4. Step 4: Simplify right side
    259,722,148x = 51,552,188,875,825,440
  5. Step 5: Solve for x
    x = 51,552,188,875,825,440/259,722,148
  6. Step 6: Final answer
    x = 198,489,767.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.