Home / 153,765,003,864.60-212,195,631,528.58-91,965,572,451.77

Finding the Fourth Proportional to 153,765,003,864.60, 212,195,631,528.58 and 91,965,572,451.77

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Solution

The fourth proportional to 153,765,003,864.60, 212,195,631,528.58 and 91,965,572,451.77 is: 126,912,445,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,765,003,864.60 : 212,195,631,528.58 = 91,965,572,451.77 : x
  2. Step 2: Convert to fraction form
    153,765,003,864.60/212,195,631,528.58 = 91,965,572,451.77/x
  3. Step 3: Cross multiply
    153,765,003,864.60x = 212,195,631,528.58 × 91,965,572,451.77
  4. Step 4: Simplify right side
    153,765,003,864.60x = 19,514,692,725,289,651,273,728
  5. Step 5: Solve for x
    x = 19,514,692,725,289,651,273,728/153,765,003,864.60
  6. Step 6: Final answer
    x = 126,912,445,841.54

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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.