Home / 145,219,333.10-217,828,999.65-53,102,893.10

Finding the Fourth Proportional to 145,219,333.10, 217,828,999.65 and 53,102,893.10

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Solution

The fourth proportional to 145,219,333.10, 217,828,999.65 and 53,102,893.10 is: 79,654,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,333.10 : 217,828,999.65 = 53,102,893.10 : x
  2. Step 2: Convert to fraction form
    145,219,333.10/217,828,999.65 = 53,102,893.10/x
  3. Step 3: Cross multiply
    145,219,333.10x = 217,828,999.65 × 53,102,893.10
  4. Step 4: Simplify right side
    145,219,333.10x = 11,567,350,082,493,888
  5. Step 5: Solve for x
    x = 11,567,350,082,493,888/145,219,333.10
  6. Step 6: Final answer
    x = 79,654,339.65

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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.