Home / 259,722,292.50-358,428,030.21-143,828,788.50

Finding the Fourth Proportional to 259,722,292.50, 358,428,030.21 and 143,828,788.50

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Solution

The fourth proportional to 259,722,292.50, 358,428,030.21 and 143,828,788.50 is: 198,489,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,722,292.50 : 358,428,030.21 = 143,828,788.50 : x
  2. Step 2: Convert to fraction form
    259,722,292.50/358,428,030.21 = 143,828,788.50/x
  3. Step 3: Cross multiply
    259,722,292.50x = 358,428,030.21 × 143,828,788.50
  4. Step 4: Simplify right side
    259,722,292.50x = 51,552,269,349,545,696
  5. Step 5: Solve for x
    x = 51,552,269,349,545,696/259,722,292.50
  6. Step 6: Final answer
    x = 198,489,967.32

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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.