Home / 145,220,180.98-217,894,597.97-76,116,561.75

Finding the Fourth Proportional to 145,220,180.98, 217,894,597.97 and 76,116,561.75

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Solution

The fourth proportional to 145,220,180.98, 217,894,597.97 and 76,116,561.75 is: 114,208,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,180.98 : 217,894,597.97 = 76,116,561.75 : x
  2. Step 2: Convert to fraction form
    145,220,180.98/217,894,597.97 = 76,116,561.75/x
  3. Step 3: Cross multiply
    145,220,180.98x = 217,894,597.97 × 76,116,561.75
  4. Step 4: Simplify right side
    145,220,180.98x = 16,585,387,621,374,930
  5. Step 5: Solve for x
    x = 16,585,387,621,374,930/145,220,180.98
  6. Step 6: Final answer
    x = 114,208,559.10

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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.