Home / 57,537,409.86-86,340,164.69-21,171,337.81

Finding the Fourth Proportional to 57,537,409.86, 86,340,164.69 and 21,171,337.81

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Solution

The fourth proportional to 57,537,409.86, 86,340,164.69 and 21,171,337.81 is: 31,769,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,409.86 : 86,340,164.69 = 21,171,337.81 : x
  2. Step 2: Convert to fraction form
    57,537,409.86/86,340,164.69 = 21,171,337.81/x
  3. Step 3: Cross multiply
    57,537,409.86x = 86,340,164.69 × 21,171,337.81
  4. Step 4: Simplify right side
    57,537,409.86x = 1,827,936,793,060,101.75
  5. Step 5: Solve for x
    x = 1,827,936,793,060,101.75/57,537,409.86
  6. Step 6: Final answer
    x = 31,769,535.64

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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.