Home / 132,129,811.98-198,196,710.89-45,870,958.98

Finding the Fourth Proportional to 132,129,811.98, 198,196,710.89 and 45,870,958.98

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Solution

The fourth proportional to 132,129,811.98, 198,196,710.89 and 45,870,958.98 is: 68,807,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129,811.98 : 198,196,710.89 = 45,870,958.98 : x
  2. Step 2: Convert to fraction form
    132,129,811.98/198,196,710.89 = 45,870,958.98/x
  3. Step 3: Cross multiply
    132,129,811.98x = 198,196,710.89 × 45,870,958.98
  4. Step 4: Simplify right side
    132,129,811.98x = 9,091,473,194,976,754
  5. Step 5: Solve for x
    x = 9,091,473,194,976,754/132,129,811.98
  6. Step 6: Final answer
    x = 68,807,130.34

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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.