Home / 40,803,811.20-61,205,716.80-31,556,737.80

Finding the Fourth Proportional to 40,803,811.20, 61,205,716.80 and 31,556,737.80

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Solution

The fourth proportional to 40,803,811.20, 61,205,716.80 and 31,556,737.80 is: 47,335,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,811.20 : 61,205,716.80 = 31,556,737.80 : x
  2. Step 2: Convert to fraction form
    40,803,811.20/61,205,716.80 = 31,556,737.80/x
  3. Step 3: Cross multiply
    40,803,811.20x = 61,205,716.80 × 31,556,737.80
  4. Step 4: Simplify right side
    40,803,811.20x = 1,931,452,756,918,655
  5. Step 5: Solve for x
    x = 1,931,452,756,918,655/40,803,811.20
  6. Step 6: Final answer
    x = 47,335,106.70

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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.