Home / 76,652,393.81-105,780,733.07-43,612,642.24

Finding the Fourth Proportional to 76,652,393.81, 105,780,733.07 and 43,612,642.24

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Solution

The fourth proportional to 76,652,393.81, 105,780,733.07 and 43,612,642.24 is: 60,185,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,652,393.81 : 105,780,733.07 = 43,612,642.24 : x
  2. Step 2: Convert to fraction form
    76,652,393.81/105,780,733.07 = 43,612,642.24/x
  3. Step 3: Cross multiply
    76,652,393.81x = 105,780,733.07 × 43,612,642.24
  4. Step 4: Simplify right side
    76,652,393.81x = 4,613,377,266,784,331
  5. Step 5: Solve for x
    x = 4,613,377,266,784,331/76,652,393.81
  6. Step 6: Final answer
    x = 60,185,690.72

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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.