Home / 144,807,702.30-217,211,553.45-128,935,331.10

Finding the Fourth Proportional to 144,807,702.30, 217,211,553.45 and 128,935,331.10

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Solution

The fourth proportional to 144,807,702.30, 217,211,553.45 and 128,935,331.10 is: 193,402,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,807,702.30 : 217,211,553.45 = 128,935,331.10 : x
  2. Step 2: Convert to fraction form
    144,807,702.30/217,211,553.45 = 128,935,331.10/x
  3. Step 3: Cross multiply
    144,807,702.30x = 217,211,553.45 × 128,935,331.10
  4. Step 4: Simplify right side
    144,807,702.30x = 28,006,243,562,821,096
  5. Step 5: Solve for x
    x = 28,006,243,562,821,096/144,807,702.30
  6. Step 6: Final answer
    x = 193,402,996.65

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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.