Home / 112,031,999.80-168,047,999.70-26,931,455.80

Finding the Fourth Proportional to 112,031,999.80, 168,047,999.70 and 26,931,455.80

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Solution

The fourth proportional to 112,031,999.80, 168,047,999.70 and 26,931,455.80 is: 40,397,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031,999.80 : 168,047,999.70 = 26,931,455.80 : x
  2. Step 2: Convert to fraction form
    112,031,999.80/168,047,999.70 = 26,931,455.80/x
  3. Step 3: Cross multiply
    112,031,999.80x = 168,047,999.70 × 26,931,455.80
  4. Step 4: Simplify right side
    112,031,999.80x = 4,525,777,276,198,963
  5. Step 5: Solve for x
    x = 4,525,777,276,198,963/112,031,999.80
  6. Step 6: Final answer
    x = 40,397,183.70

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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.