Home / 121,162,737.80-167,217,742.14-74,751,798.44

Finding the Fourth Proportional to 121,162,737.80, 167,217,742.14 and 74,751,798.44

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Solution

The fourth proportional to 121,162,737.80, 167,217,742.14 and 74,751,798.44 is: 103,165,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162,737.80 : 167,217,742.14 = 74,751,798.44 : x
  2. Step 2: Convert to fraction form
    121,162,737.80/167,217,742.14 = 74,751,798.44/x
  3. Step 3: Cross multiply
    121,162,737.80x = 167,217,742.14 × 74,751,798.44
  4. Step 4: Simplify right side
    121,162,737.80x = 12,499,826,956,041,172
  5. Step 5: Solve for x
    x = 12,499,826,956,041,172/121,162,737.80
  6. Step 6: Final answer
    x = 103,165,603.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.