Home / 56,543,304.81-78,033,093.60-42,580,024.65

Finding the Fourth Proportional to 56,543,304.81, 78,033,093.60 and 42,580,024.65

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Solution

The fourth proportional to 56,543,304.81, 78,033,093.60 and 42,580,024.65 is: 58,762,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,543,304.81 : 78,033,093.60 = 42,580,024.65 : x
  2. Step 2: Convert to fraction form
    56,543,304.81/78,033,093.60 = 42,580,024.65/x
  3. Step 3: Cross multiply
    56,543,304.81x = 78,033,093.60 × 42,580,024.65
  4. Step 4: Simplify right side
    56,543,304.81x = 3,322,651,049,003,757
  5. Step 5: Solve for x
    x = 3,322,651,049,003,757/56,543,304.81
  6. Step 6: Final answer
    x = 58,762,943.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.