Home / 112,099,991.40-168,176,559.15-57,521,000.70

Finding the Fourth Proportional to 112,099,991.40, 168,176,559.15 and 57,521,000.70

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Solution

The fourth proportional to 112,099,991.40, 168,176,559.15 and 57,521,000.70 is: 86,295,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099,991.40 : 168,176,559.15 = 57,521,000.70 : x
  2. Step 2: Convert to fraction form
    112,099,991.40/168,176,559.15 = 57,521,000.70/x
  3. Step 3: Cross multiply
    112,099,991.40x = 168,176,559.15 × 57,521,000.70
  4. Step 4: Simplify right side
    112,099,991.40x = 9,673,683,976,590,742
  5. Step 5: Solve for x
    x = 9,673,683,976,590,742/112,099,991.40
  6. Step 6: Final answer
    x = 86,295,135.76

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1.5x scale

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.