Home / 210,372,212.61-290,308,083.62-117,553,483.17

Finding the Fourth Proportional to 210,372,212.61, 290,308,083.62 and 117,553,483.17

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Solution

The fourth proportional to 210,372,212.61, 290,308,083.62 and 117,553,483.17 is: 162,220,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,372,212.61 : 290,308,083.62 = 117,553,483.17 : x
  2. Step 2: Convert to fraction form
    210,372,212.61/290,308,083.62 = 117,553,483.17/x
  3. Step 3: Cross multiply
    210,372,212.61x = 290,308,083.62 × 117,553,483.17
  4. Step 4: Simplify right side
    210,372,212.61x = 34,126,726,421,350,856
  5. Step 5: Solve for x
    x = 34,126,726,421,350,856/210,372,212.61
  6. Step 6: Final answer
    x = 162,220,694.44

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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.