Home / 145,220,179.98-217,894,596.47-76,116,560.75

Finding the Fourth Proportional to 145,220,179.98, 217,894,596.47 and 76,116,560.75

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Solution

The fourth proportional to 145,220,179.98, 217,894,596.47 and 76,116,560.75 is: 114,208,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,179.98 : 217,894,596.47 = 76,116,560.75 : x
  2. Step 2: Convert to fraction form
    145,220,179.98/217,894,596.47 = 76,116,560.75/x
  3. Step 3: Cross multiply
    145,220,179.98x = 217,894,596.47 × 76,116,560.75
  4. Step 4: Simplify right side
    145,220,179.98x = 16,585,387,289,305,490
  5. Step 5: Solve for x
    x = 16,585,387,289,305,490/145,220,179.98
  6. Step 6: Final answer
    x = 114,208,557.60

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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.