Home / 100,979,118.91-151,742,184.18-54,955,016.11

Finding the Fourth Proportional to 100,979,118.91, 151,742,184.18 and 54,955,016.11

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Solution

The fourth proportional to 100,979,118.91, 151,742,184.18 and 54,955,016.11 is: 82,581,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,979,118.91 : 151,742,184.18 = 54,955,016.11 : x
  2. Step 2: Convert to fraction form
    100,979,118.91/151,742,184.18 = 54,955,016.11/x
  3. Step 3: Cross multiply
    100,979,118.91x = 151,742,184.18 × 54,955,016.11
  4. Step 4: Simplify right side
    100,979,118.91x = 8,338,994,176,178,487
  5. Step 5: Solve for x
    x = 8,338,994,176,178,487/100,979,118.91
  6. Step 6: Final answer
    x = 82,581,371.93

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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.