Home / 116,922,870.72-175,034,876.40-70,724,928.96

Finding the Fourth Proportional to 116,922,870.72, 175,034,876.40 and 70,724,928.96

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Solution

The fourth proportional to 116,922,870.72, 175,034,876.40 and 70,724,928.96 is: 105,876,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,922,870.72 : 175,034,876.40 = 70,724,928.96 : x
  2. Step 2: Convert to fraction form
    116,922,870.72/175,034,876.40 = 70,724,928.96/x
  3. Step 3: Cross multiply
    116,922,870.72x = 175,034,876.40 × 70,724,928.96
  4. Step 4: Simplify right side
    116,922,870.72x = 12,379,329,198,912,380
  5. Step 5: Solve for x
    x = 12,379,329,198,912,380/116,922,870.72
  6. Step 6: Final answer
    x = 105,876,028.55

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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.