Home / 102,317,199.72-153,200,779.08-77,940,001.08

Finding the Fourth Proportional to 102,317,199.72, 153,200,779.08 and 77,940,001.08

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Solution

The fourth proportional to 102,317,199.72, 153,200,779.08 and 77,940,001.08 is: 116,700,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,317,199.72 : 153,200,779.08 = 77,940,001.08 : x
  2. Step 2: Convert to fraction form
    102,317,199.72/153,200,779.08 = 77,940,001.08/x
  3. Step 3: Cross multiply
    102,317,199.72x = 153,200,779.08 × 77,940,001.08
  4. Step 4: Simplify right side
    102,317,199.72x = 11,940,468,886,952,042
  5. Step 5: Solve for x
    x = 11,940,468,886,952,042/102,317,199.72
  6. Step 6: Final answer
    x = 116,700,505.09

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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.