Home / 294,689,854.40-442,034,781.60-100,536,742.40

Finding the Fourth Proportional to 294,689,854.40, 442,034,781.60 and 100,536,742.40

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Solution

The fourth proportional to 294,689,854.40, 442,034,781.60 and 100,536,742.40 is: 150,805,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,689,854.40 : 442,034,781.60 = 100,536,742.40 : x
  2. Step 2: Convert to fraction form
    294,689,854.40/442,034,781.60 = 100,536,742.40/x
  3. Step 3: Cross multiply
    294,689,854.40x = 442,034,781.60 × 100,536,742.40
  4. Step 4: Simplify right side
    294,689,854.40x = 44,440,736,969,559,464
  5. Step 5: Solve for x
    x = 44,440,736,969,559,464/294,689,854.40
  6. Step 6: Final answer
    x = 150,805,113.60

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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.