Home / 52,757,780.36-79,138,225.74-45,032,718.92

Finding the Fourth Proportional to 52,757,780.36, 79,138,225.74 and 45,032,718.92

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Solution

The fourth proportional to 52,757,780.36, 79,138,225.74 and 45,032,718.92 is: 67,550,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757,780.36 : 79,138,225.74 = 45,032,718.92 : x
  2. Step 2: Convert to fraction form
    52,757,780.36/79,138,225.74 = 45,032,718.92/x
  3. Step 3: Cross multiply
    52,757,780.36x = 79,138,225.74 × 45,032,718.92
  4. Step 4: Simplify right side
    52,757,780.36x = 3,563,809,475,576,929
  5. Step 5: Solve for x
    x = 3,563,809,475,576,929/52,757,780.36
  6. Step 6: Final answer
    x = 67,550,405.86

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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.