Home / 117,333,668.12-161,937,331.65-70,292,753.82

Finding the Fourth Proportional to 117,333,668.12, 161,937,331.65 and 70,292,753.82

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Solution

The fourth proportional to 117,333,668.12, 161,937,331.65 and 70,292,753.82 is: 97,014,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,333,668.12 : 161,937,331.65 = 70,292,753.82 : x
  2. Step 2: Convert to fraction form
    117,333,668.12/161,937,331.65 = 70,292,753.82/x
  3. Step 3: Cross multiply
    117,333,668.12x = 161,937,331.65 × 70,292,753.82
  4. Step 4: Simplify right side
    117,333,668.12x = 11,383,020,987,941,144
  5. Step 5: Solve for x
    x = 11,383,020,987,941,144/117,333,668.12
  6. Step 6: Final answer
    x = 97,014,106.61

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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.