Home / 80,210,341.60-120,315,512.40-37,163,620.60

Finding the Fourth Proportional to 80,210,341.60, 120,315,512.40 and 37,163,620.60

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Solution

The fourth proportional to 80,210,341.60, 120,315,512.40 and 37,163,620.60 is: 55,745,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210,341.60 : 120,315,512.40 = 37,163,620.60 : x
  2. Step 2: Convert to fraction form
    80,210,341.60/120,315,512.40 = 37,163,620.60/x
  3. Step 3: Cross multiply
    80,210,341.60x = 120,315,512.40 × 37,163,620.60
  4. Step 4: Simplify right side
    80,210,341.60x = 4,471,360,055,128,196
  5. Step 5: Solve for x
    x = 4,471,360,055,128,196/80,210,341.60
  6. Step 6: Final answer
    x = 55,745,430.90

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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.