Home / 144,328,299.20-216,481,152.96-40,693,318.40

Finding the Fourth Proportional to 144,328,299.20, 216,481,152.96 and 40,693,318.40

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Solution

The fourth proportional to 144,328,299.20, 216,481,152.96 and 40,693,318.40 is: 61,036,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,328,299.20 : 216,481,152.96 = 40,693,318.40 : x
  2. Step 2: Convert to fraction form
    144,328,299.20/216,481,152.96 = 40,693,318.40/x
  3. Step 3: Cross multiply
    144,328,299.20x = 216,481,152.96 × 40,693,318.40
  4. Step 4: Simplify right side
    144,328,299.20x = 8,809,336,485,000,382
  5. Step 5: Solve for x
    x = 8,809,336,485,000,382/144,328,299.20
  6. Step 6: Final answer
    x = 61,036,792.74

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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.