Home / 145,219,331.10-217,828,996.65-53,102,891.10

Finding the Fourth Proportional to 145,219,331.10, 217,828,996.65 and 53,102,891.10

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Solution

The fourth proportional to 145,219,331.10, 217,828,996.65 and 53,102,891.10 is: 79,654,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,331.10 : 217,828,996.65 = 53,102,891.10 : x
  2. Step 2: Convert to fraction form
    145,219,331.10/217,828,996.65 = 53,102,891.10/x
  3. Step 3: Cross multiply
    145,219,331.10x = 217,828,996.65 × 53,102,891.10
  4. Step 4: Simplify right side
    145,219,331.10x = 11,567,349,487,527,216
  5. Step 5: Solve for x
    x = 11,567,349,487,527,216/145,219,331.10
  6. Step 6: Final answer
    x = 79,654,336.65

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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.