Home / 205,188,939.59-307,784,129.04-49,742,114.93

Finding the Fourth Proportional to 205,188,939.59, 307,784,129.04 and 49,742,114.93

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Solution

The fourth proportional to 205,188,939.59, 307,784,129.04 and 49,742,114.93 is: 74,613,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,188,939.59 : 307,784,129.04 = 49,742,114.93 : x
  2. Step 2: Convert to fraction form
    205,188,939.59/307,784,129.04 = 49,742,114.93/x
  3. Step 3: Cross multiply
    205,188,939.59x = 307,784,129.04 × 49,742,114.93
  4. Step 4: Simplify right side
    205,188,939.59x = 15,309,833,521,544,908
  5. Step 5: Solve for x
    x = 15,309,833,521,544,908/205,188,939.59
  6. Step 6: Final answer
    x = 74,613,346.86

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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.