Home / 153,765,003,866.85-212,195,631,531.69-91,965,572,454.02

Finding the Fourth Proportional to 153,765,003,866.85, 212,195,631,531.69 and 91,965,572,454.02

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Solution

The fourth proportional to 153,765,003,866.85, 212,195,631,531.69 and 91,965,572,454.02 is: 126,912,445,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,765,003,866.85 : 212,195,631,531.69 = 91,965,572,454.02 : x
  2. Step 2: Convert to fraction form
    153,765,003,866.85/212,195,631,531.69 = 91,965,572,454.02/x
  3. Step 3: Cross multiply
    153,765,003,866.85x = 212,195,631,531.69 × 91,965,572,454.02
  4. Step 4: Simplify right side
    153,765,003,866.85x = 19,514,692,726,053,106,876,416
  5. Step 5: Solve for x
    x = 19,514,692,726,053,106,876,416/153,765,003,866.85
  6. Step 6: Final answer
    x = 126,912,445,844.64

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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.