Home / 112,048,914.80-168,073,372.20-68,777,807.60

Finding the Fourth Proportional to 112,048,914.80, 168,073,372.20 and 68,777,807.60

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Solution

The fourth proportional to 112,048,914.80, 168,073,372.20 and 68,777,807.60 is: 103,166,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,048,914.80 : 168,073,372.20 = 68,777,807.60 : x
  2. Step 2: Convert to fraction form
    112,048,914.80/168,073,372.20 = 68,777,807.60/x
  3. Step 3: Cross multiply
    112,048,914.80x = 168,073,372.20 × 68,777,807.60
  4. Step 4: Simplify right side
    112,048,914.80x = 11,559,718,055,854,786
  5. Step 5: Solve for x
    x = 11,559,718,055,854,786/112,048,914.80
  6. Step 6: Final answer
    x = 103,166,711.40

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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.