Home / 37,071,121.20-55,606,681.80-20,065,009.20

Finding the Fourth Proportional to 37,071,121.20, 55,606,681.80 and 20,065,009.20

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Solution

The fourth proportional to 37,071,121.20, 55,606,681.80 and 20,065,009.20 is: 30,097,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071,121.20 : 55,606,681.80 = 20,065,009.20 : x
  2. Step 2: Convert to fraction form
    37,071,121.20/55,606,681.80 = 20,065,009.20/x
  3. Step 3: Cross multiply
    37,071,121.20x = 55,606,681.80 × 20,065,009.20
  4. Step 4: Simplify right side
    37,071,121.20x = 1,115,748,581,898,472.50
  5. Step 5: Solve for x
    x = 1,115,748,581,898,472.50/37,071,121.20
  6. Step 6: Final answer
    x = 30,097,513.80

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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.