Home / 74,931,628.07-112,405,152.33-28,284,404.48

Finding the Fourth Proportional to 74,931,628.07, 112,405,152.33 and 28,284,404.48

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Solution

The fourth proportional to 74,931,628.07, 112,405,152.33 and 28,284,404.48 is: 42,429,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931,628.07 : 112,405,152.33 = 28,284,404.48 : x
  2. Step 2: Convert to fraction form
    74,931,628.07/112,405,152.33 = 28,284,404.48/x
  3. Step 3: Cross multiply
    74,931,628.07x = 112,405,152.33 × 28,284,404.48
  4. Step 4: Simplify right side
    74,931,628.07x = 3,179,312,793,997,228
  5. Step 5: Solve for x
    x = 3,179,312,793,997,228/74,931,628.07
  6. Step 6: Final answer
    x = 42,429,517.09

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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.