Home / 142,072,235.08-196,059,684.74-76,882,139.08

Finding the Fourth Proportional to 142,072,235.08, 196,059,684.74 and 76,882,139.08

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Solution

The fourth proportional to 142,072,235.08, 196,059,684.74 and 76,882,139.08 is: 106,097,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,072,235.08 : 196,059,684.74 = 76,882,139.08 : x
  2. Step 2: Convert to fraction form
    142,072,235.08/196,059,684.74 = 76,882,139.08/x
  3. Step 3: Cross multiply
    142,072,235.08x = 196,059,684.74 × 76,882,139.08
  4. Step 4: Simplify right side
    142,072,235.08x = 15,073,487,950,161,634
  5. Step 5: Solve for x
    x = 15,073,487,950,161,634/142,072,235.08
  6. Step 6: Final answer
    x = 106,097,352.11

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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.