Home / 238,464,015.40-357,696,023.10-199,916,828.20

Finding the Fourth Proportional to 238,464,015.40, 357,696,023.10 and 199,916,828.20

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Solution

The fourth proportional to 238,464,015.40, 357,696,023.10 and 199,916,828.20 is: 299,875,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,464,015.40 : 357,696,023.10 = 199,916,828.20 : x
  2. Step 2: Convert to fraction form
    238,464,015.40/357,696,023.10 = 199,916,828.20/x
  3. Step 3: Cross multiply
    238,464,015.40x = 357,696,023.10 × 199,916,828.20
  4. Step 4: Simplify right side
    238,464,015.40x = 71,509,454,397,905,928
  5. Step 5: Solve for x
    x = 71,509,454,397,905,928/238,464,015.40
  6. Step 6: Final answer
    x = 299,875,242.30

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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.