Home / 52,664,393.08-72,691,470.93-30,642,146.29

Finding the Fourth Proportional to 52,664,393.08, 72,691,470.93 and 30,642,146.29

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Solution

The fourth proportional to 52,664,393.08, 72,691,470.93 and 30,642,146.29 is: 42,294,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,664,393.08 : 72,691,470.93 = 30,642,146.29 : x
  2. Step 2: Convert to fraction form
    52,664,393.08/72,691,470.93 = 30,642,146.29/x
  3. Step 3: Cross multiply
    52,664,393.08x = 72,691,470.93 × 30,642,146.29
  4. Step 4: Simplify right side
    52,664,393.08x = 2,227,422,686,272,342.50
  5. Step 5: Solve for x
    x = 2,227,422,686,272,342.50/52,664,393.08
  6. Step 6: Final answer
    x = 42,294,661.65

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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.