Home / 155,060,442.66-213,984,845.94-85,448,314.74

Finding the Fourth Proportional to 155,060,442.66, 213,984,845.94 and 85,448,314.74

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Solution

The fourth proportional to 155,060,442.66, 213,984,845.94 and 85,448,314.74 is: 117,919,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,060,442.66 : 213,984,845.94 = 85,448,314.74 : x
  2. Step 2: Convert to fraction form
    155,060,442.66/213,984,845.94 = 85,448,314.74/x
  3. Step 3: Cross multiply
    155,060,442.66x = 213,984,845.94 × 85,448,314.74
  4. Step 4: Simplify right side
    155,060,442.66x = 18,284,644,465,471,528
  5. Step 5: Solve for x
    x = 18,284,644,465,471,528/155,060,442.66
  6. Step 6: Final answer
    x = 117,919,465.16

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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.