Home / 49,161,661.20-73,742,491.80-31,021,808.40

Finding the Fourth Proportional to 49,161,661.20, 73,742,491.80 and 31,021,808.40

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Solution

The fourth proportional to 49,161,661.20, 73,742,491.80 and 31,021,808.40 is: 46,532,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,161,661.20 : 73,742,491.80 = 31,021,808.40 : x
  2. Step 2: Convert to fraction form
    49,161,661.20/73,742,491.80 = 31,021,808.40/x
  3. Step 3: Cross multiply
    49,161,661.20x = 73,742,491.80 × 31,021,808.40
  4. Step 4: Simplify right side
    49,161,661.20x = 2,287,625,451,558,171
  5. Step 5: Solve for x
    x = 2,287,625,451,558,171/49,161,661.20
  6. Step 6: Final answer
    x = 46,532,712.60

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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.