Home / 78,701,752.02-108,608,562.72-43,896,685.85

Finding the Fourth Proportional to 78,701,752.02, 108,608,562.72 and 43,896,685.85

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Solution

The fourth proportional to 78,701,752.02, 108,608,562.72 and 43,896,685.85 is: 60,577,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701,752.02 : 108,608,562.72 = 43,896,685.85 : x
  2. Step 2: Convert to fraction form
    78,701,752.02/108,608,562.72 = 43,896,685.85/x
  3. Step 3: Cross multiply
    78,701,752.02x = 108,608,562.72 × 43,896,685.85
  4. Step 4: Simplify right side
    78,701,752.02x = 4,767,555,958,339,862
  5. Step 5: Solve for x
    x = 4,767,555,958,339,862/78,701,752.02
  6. Step 6: Final answer
    x = 60,577,507.31

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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.