Home / 52,488,071.80-78,732,107.70-43,985,015.80

Finding the Fourth Proportional to 52,488,071.80, 78,732,107.70 and 43,985,015.80

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Solution

The fourth proportional to 52,488,071.80, 78,732,107.70 and 43,985,015.80 is: 65,977,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,071.80 : 78,732,107.70 = 43,985,015.80 : x
  2. Step 2: Convert to fraction form
    52,488,071.80/78,732,107.70 = 43,985,015.80/x
  3. Step 3: Cross multiply
    52,488,071.80x = 78,732,107.70 × 43,985,015.80
  4. Step 4: Simplify right side
    52,488,071.80x = 3,463,033,001,151,801.50
  5. Step 5: Solve for x
    x = 3,463,033,001,151,801.50/52,488,071.80
  6. Step 6: Final answer
    x = 65,977,523.70

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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.