Home / 85,416,367.80-128,112,110.10-24,825,775.80

Finding the Fourth Proportional to 85,416,367.80, 128,112,110.10 and 24,825,775.80

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Solution

The fourth proportional to 85,416,367.80, 128,112,110.10 and 24,825,775.80 is: 37,235,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,416,367.80 : 128,112,110.10 = 24,825,775.80 : x
  2. Step 2: Convert to fraction form
    85,416,367.80/128,112,110.10 = 24,825,775.80/x
  3. Step 3: Cross multiply
    85,416,367.80x = 128,112,110.10 × 24,825,775.80
  4. Step 4: Simplify right side
    85,416,367.80x = 3,180,482,522,607,515.50
  5. Step 5: Solve for x
    x = 3,180,482,522,607,515.50/85,416,367.80
  6. Step 6: Final answer
    x = 37,235,047.62

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1.5x scale

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.