Home / 210,244,742,490.86-315,367,117,379.68-51,066,769,269.56

Finding the Fourth Proportional to 210,244,742,490.86, 315,367,117,379.68 and 51,066,769,269.56

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Solution

The fourth proportional to 210,244,742,490.86, 315,367,117,379.68 and 51,066,769,269.56 is: 76,600,154,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,244,742,490.86 : 315,367,117,379.68 = 51,066,769,269.56 : x
  2. Step 2: Convert to fraction form
    210,244,742,490.86/315,367,117,379.68 = 51,066,769,269.56/x
  3. Step 3: Cross multiply
    210,244,742,490.86x = 315,367,117,379.68 × 51,066,769,269.56
  4. Step 4: Simplify right side
    210,244,742,490.86x = 16,104,779,818,432,787,906,560
  5. Step 5: Solve for x
    x = 16,104,779,818,432,787,906,560/210,244,742,490.86
  6. Step 6: Final answer
    x = 76,600,154,789.28

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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.