Home / 126,434,719.90-189,793,797.45-97,807,764.70

Finding the Fourth Proportional to 126,434,719.90, 189,793,797.45 and 97,807,764.70

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Solution

The fourth proportional to 126,434,719.90, 189,793,797.45 and 97,807,764.70 is: 146,821,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434,719.90 : 189,793,797.45 = 97,807,764.70 : x
  2. Step 2: Convert to fraction form
    126,434,719.90/189,793,797.45 = 97,807,764.70/x
  3. Step 3: Cross multiply
    126,434,719.90x = 189,793,797.45 × 97,807,764.70
  4. Step 4: Simplify right side
    126,434,719.90x = 18,563,307,082,509,060
  5. Step 5: Solve for x
    x = 18,563,307,082,509,060/126,434,719.90
  6. Step 6: Final answer
    x = 146,821,277.39

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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.