Home / 243,125,820.69-335,513,736.19-131,616,658.47

Finding the Fourth Proportional to 243,125,820.69, 335,513,736.19 and 131,616,658.47

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Solution

The fourth proportional to 243,125,820.69, 335,513,736.19 and 131,616,658.47 is: 181,631,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,125,820.69 : 335,513,736.19 = 131,616,658.47 : x
  2. Step 2: Convert to fraction form
    243,125,820.69/335,513,736.19 = 131,616,658.47/x
  3. Step 3: Cross multiply
    243,125,820.69x = 335,513,736.19 × 131,616,658.47
  4. Step 4: Simplify right side
    243,125,820.69x = 44,159,196,827,650,024
  5. Step 5: Solve for x
    x = 44,159,196,827,650,024/243,125,820.69
  6. Step 6: Final answer
    x = 181,631,044.79

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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.