Home / 74,650,047.40-111,975,071.10-20,797,359.40

Finding the Fourth Proportional to 74,650,047.40, 111,975,071.10 and 20,797,359.40

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Solution

The fourth proportional to 74,650,047.40, 111,975,071.10 and 20,797,359.40 is: 31,196,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650,047.40 : 111,975,071.10 = 20,797,359.40 : x
  2. Step 2: Convert to fraction form
    74,650,047.40/111,975,071.10 = 20,797,359.40/x
  3. Step 3: Cross multiply
    74,650,047.40x = 111,975,071.10 × 20,797,359.40
  4. Step 4: Simplify right side
    74,650,047.40x = 2,328,785,797,507,253
  5. Step 5: Solve for x
    x = 2,328,785,797,507,253/74,650,047.40
  6. Step 6: Final answer
    x = 31,196,039.10

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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.