Home / 74,751,134.40-112,126,701.60-20,163,614.40

Finding the Fourth Proportional to 74,751,134.40, 112,126,701.60 and 20,163,614.40

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Solution

The fourth proportional to 74,751,134.40, 112,126,701.60 and 20,163,614.40 is: 30,245,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,751,134.40 : 112,126,701.60 = 20,163,614.40 : x
  2. Step 2: Convert to fraction form
    74,751,134.40/112,126,701.60 = 20,163,614.40/x
  3. Step 3: Cross multiply
    74,751,134.40x = 112,126,701.60 × 20,163,614.40
  4. Step 4: Simplify right side
    74,751,134.40x = 2,260,879,575,006,263
  5. Step 5: Solve for x
    x = 2,260,879,575,006,263/74,751,134.40
  6. Step 6: Final answer
    x = 30,245,421.60

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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.