Home / 52,488,045.70-78,732,068.55-42,922,107.70

Finding the Fourth Proportional to 52,488,045.70, 78,732,068.55 and 42,922,107.70

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Solution

The fourth proportional to 52,488,045.70, 78,732,068.55 and 42,922,107.70 is: 64,383,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,045.70 : 78,732,068.55 = 42,922,107.70 : x
  2. Step 2: Convert to fraction form
    52,488,045.70/78,732,068.55 = 42,922,107.70/x
  3. Step 3: Cross multiply
    52,488,045.70x = 78,732,068.55 × 42,922,107.70
  4. Step 4: Simplify right side
    52,488,045.70x = 3,379,346,325,746,883
  5. Step 5: Solve for x
    x = 3,379,346,325,746,883/52,488,045.70
  6. Step 6: Final answer
    x = 64,383,161.55

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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.