Home / 153,071,566.78-211,232,677.79-90,367,862.73

Finding the Fourth Proportional to 153,071,566.78, 211,232,677.79 and 90,367,862.73

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Solution

The fourth proportional to 153,071,566.78, 211,232,677.79 and 90,367,862.73 is: 124,704,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,071,566.78 : 211,232,677.79 = 90,367,862.73 : x
  2. Step 2: Convert to fraction form
    153,071,566.78/211,232,677.79 = 90,367,862.73/x
  3. Step 3: Cross multiply
    153,071,566.78x = 211,232,677.79 × 90,367,862.73
  4. Step 4: Simplify right side
    153,071,566.78x = 19,088,645,629,542,968
  5. Step 5: Solve for x
    x = 19,088,645,629,542,968/153,071,566.78
  6. Step 6: Final answer
    x = 124,704,058.57

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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.