Home / 52,033,972.85-78,020,705.88-19,688,369.97

Finding the Fourth Proportional to 52,033,972.85, 78,020,705.88 and 19,688,369.97

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Solution

The fourth proportional to 52,033,972.85, 78,020,705.88 and 19,688,369.97 is: 29,521,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,033,972.85 : 78,020,705.88 = 19,688,369.97 : x
  2. Step 2: Convert to fraction form
    52,033,972.85/78,020,705.88 = 19,688,369.97/x
  3. Step 3: Cross multiply
    52,033,972.85x = 78,020,705.88 × 19,688,369.97
  4. Step 4: Simplify right side
    52,033,972.85x = 1,536,100,522,685,994.25
  5. Step 5: Solve for x
    x = 1,536,100,522,685,994.25/52,033,972.85
  6. Step 6: Final answer
    x = 29,521,107.82

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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.