Home / 143,514,873.58-215,097,420.69-74,389,567.70

Finding the Fourth Proportional to 143,514,873.58, 215,097,420.69 and 74,389,567.70

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Solution

The fourth proportional to 143,514,873.58, 215,097,420.69 and 74,389,567.70 is: 111,493,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514,873.58 : 215,097,420.69 = 74,389,567.70 : x
  2. Step 2: Convert to fraction form
    143,514,873.58/215,097,420.69 = 74,389,567.70/x
  3. Step 3: Cross multiply
    143,514,873.58x = 215,097,420.69 × 74,389,567.70
  4. Step 4: Simplify right side
    143,514,873.58x = 16,001,004,138,162,366
  5. Step 5: Solve for x
    x = 16,001,004,138,162,366/143,514,873.58
  6. Step 6: Final answer
    x = 111,493,699.15

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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.