Home / 131,869,235.80-197,803,853.70-67,371,981.40

Finding the Fourth Proportional to 131,869,235.80, 197,803,853.70 and 67,371,981.40

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Solution

The fourth proportional to 131,869,235.80, 197,803,853.70 and 67,371,981.40 is: 101,057,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,869,235.80 : 197,803,853.70 = 67,371,981.40 : x
  2. Step 2: Convert to fraction form
    131,869,235.80/197,803,853.70 = 67,371,981.40/x
  3. Step 3: Cross multiply
    131,869,235.80x = 197,803,853.70 × 67,371,981.40
  4. Step 4: Simplify right side
    131,869,235.80x = 13,326,437,552,324,722
  5. Step 5: Solve for x
    x = 13,326,437,552,324,722/131,869,235.80
  6. Step 6: Final answer
    x = 101,057,972.10

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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.