Home / 117,355,520.76-161,967,460-70,314,451.96

Finding the Fourth Proportional to 117,355,520.76, 161,967,460 and 70,314,451.96

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Solution

The fourth proportional to 117,355,520.76, 161,967,460 and 70,314,451.96 is: 97,044,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,355,520.76 : 161,967,460 = 70,314,451.96 : x
  2. Step 2: Convert to fraction form
    117,355,520.76/161,967,460 = 70,314,451.96/x
  3. Step 3: Cross multiply
    117,355,520.76x = 161,967,460 × 70,314,451.96
  4. Step 4: Simplify right side
    117,355,520.76x = 11,388,653,185,253,220
  5. Step 5: Solve for x
    x = 11,388,653,185,253,220/117,355,520.76
  6. Step 6: Final answer
    x = 97,044,034.33

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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.