Home / 128,736,211.10-192,955,017.45-52,008,863.90

Finding the Fourth Proportional to 128,736,211.10, 192,955,017.45 and 52,008,863.90

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Solution

The fourth proportional to 128,736,211.10, 192,955,017.45 and 52,008,863.90 is: 77,952,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,736,211.10 : 192,955,017.45 = 52,008,863.90 : x
  2. Step 2: Convert to fraction form
    128,736,211.10/192,955,017.45 = 52,008,863.90/x
  3. Step 3: Cross multiply
    128,736,211.10x = 192,955,017.45 × 52,008,863.90
  4. Step 4: Simplify right side
    128,736,211.10x = 10,035,371,241,379,174
  5. Step 5: Solve for x
    x = 10,035,371,241,379,174/128,736,211.10
  6. Step 6: Final answer
    x = 77,952,979.63

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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.