Home / 91,490,766.35-137,243,899.71-29,251,053.64

Finding the Fourth Proportional to 91,490,766.35, 137,243,899.71 and 29,251,053.64

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Solution

The fourth proportional to 91,490,766.35, 137,243,899.71 and 29,251,053.64 is: 43,879,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,490,766.35 : 137,243,899.71 = 29,251,053.64 : x
  2. Step 2: Convert to fraction form
    91,490,766.35/137,243,899.71 = 29,251,053.64/x
  3. Step 3: Cross multiply
    91,490,766.35x = 137,243,899.71 × 29,251,053.64
  4. Step 4: Simplify right side
    91,490,766.35x = 4,014,528,671,836,881
  5. Step 5: Solve for x
    x = 4,014,528,671,836,881/91,490,766.35
  6. Step 6: Final answer
    x = 43,879,058.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.