Home / 112,047,416.80-168,071,125.20-68,776,309.60

Finding the Fourth Proportional to 112,047,416.80, 168,071,125.20 and 68,776,309.60

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Solution

The fourth proportional to 112,047,416.80, 168,071,125.20 and 68,776,309.60 is: 103,164,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,047,416.80 : 168,071,125.20 = 68,776,309.60 : x
  2. Step 2: Convert to fraction form
    112,047,416.80/168,071,125.20 = 68,776,309.60/x
  3. Step 3: Cross multiply
    112,047,416.80x = 168,071,125.20 × 68,776,309.60
  4. Step 4: Simplify right side
    112,047,416.80x = 11,559,311,741,575,560
  5. Step 5: Solve for x
    x = 11,559,311,741,575,560/112,047,416.80
  6. Step 6: Final answer
    x = 103,164,464.40

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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.