Home / 83,035,207.40-124,552,811.10-31,918,893.80

Finding the Fourth Proportional to 83,035,207.40, 124,552,811.10 and 31,918,893.80

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Solution

The fourth proportional to 83,035,207.40, 124,552,811.10 and 31,918,893.80 is: 47,878,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,035,207.40 : 124,552,811.10 = 31,918,893.80 : x
  2. Step 2: Convert to fraction form
    83,035,207.40/124,552,811.10 = 31,918,893.80/x
  3. Step 3: Cross multiply
    83,035,207.40x = 124,552,811.10 × 31,918,893.80
  4. Step 4: Simplify right side
    83,035,207.40x = 3,975,587,949,992,361
  5. Step 5: Solve for x
    x = 3,975,587,949,992,361/83,035,207.40
  6. Step 6: Final answer
    x = 47,878,340.70

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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.