Home / 243,495,215.36-336,027,726.72-131,989,708.16

Finding the Fourth Proportional to 243,495,215.36, 336,027,726.72 and 131,989,708.16

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Solution

The fourth proportional to 243,495,215.36, 336,027,726.72 and 131,989,708.16 is: 182,148,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,495,215.36 : 336,027,726.72 = 131,989,708.16 : x
  2. Step 2: Convert to fraction form
    243,495,215.36/336,027,726.72 = 131,989,708.16/x
  3. Step 3: Cross multiply
    243,495,215.36x = 336,027,726.72 × 131,989,708.16
  4. Step 4: Simplify right side
    243,495,215.36x = 44,352,201,583,441,040
  5. Step 5: Solve for x
    x = 44,352,201,583,441,040/243,495,215.36
  6. Step 6: Final answer
    x = 182,148,144.13

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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.