Home / 71,283,780.62-106,970,649.66-30,343,152.93

Finding the Fourth Proportional to 71,283,780.62, 106,970,649.66 and 30,343,152.93

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Solution

The fourth proportional to 71,283,780.62, 106,970,649.66 and 30,343,152.93 is: 45,533,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,283,780.62 : 106,970,649.66 = 30,343,152.93 : x
  2. Step 2: Convert to fraction form
    71,283,780.62/106,970,649.66 = 30,343,152.93/x
  3. Step 3: Cross multiply
    71,283,780.62x = 106,970,649.66 × 30,343,152.93
  4. Step 4: Simplify right side
    71,283,780.62x = 3,245,826,781,338,956.50
  5. Step 5: Solve for x
    x = 3,245,826,781,338,956.50/71,283,780.62
  6. Step 6: Final answer
    x = 45,533,875.35

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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.