Home / 142,268,731.24-196,330,810.50-77,078,635.24

Finding the Fourth Proportional to 142,268,731.24, 196,330,810.50 and 77,078,635.24

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Solution

The fourth proportional to 142,268,731.24, 196,330,810.50 and 77,078,635.24 is: 106,368,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,268,731.24 : 196,330,810.50 = 77,078,635.24 : x
  2. Step 2: Convert to fraction form
    142,268,731.24/196,330,810.50 = 77,078,635.24/x
  3. Step 3: Cross multiply
    142,268,731.24x = 196,330,810.50 × 77,078,635.24
  4. Step 4: Simplify right side
    142,268,731.24x = 15,132,910,928,903,060
  5. Step 5: Solve for x
    x = 15,132,910,928,903,060/142,268,731.24
  6. Step 6: Final answer
    x = 106,368,495.71

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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.