Home / 80,448,530.40-120,735,781.20-37,323,077.40

Finding the Fourth Proportional to 80,448,530.40, 120,735,781.20 and 37,323,077.40

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Solution

The fourth proportional to 80,448,530.40, 120,735,781.20 and 37,323,077.40 is: 56,013,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448,530.40 : 120,735,781.20 = 37,323,077.40 : x
  2. Step 2: Convert to fraction form
    80,448,530.40/120,735,781.20 = 37,323,077.40/x
  3. Step 3: Cross multiply
    80,448,530.40x = 120,735,781.20 × 37,323,077.40
  4. Step 4: Simplify right side
    80,448,530.40x = 4,506,230,906,677,065
  5. Step 5: Solve for x
    x = 4,506,230,906,677,065/80,448,530.40
  6. Step 6: Final answer
    x = 56,013,837.47

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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.