Home / 80,820,345.35-121,230,518.03-23,314,492.55

Finding the Fourth Proportional to 80,820,345.35, 121,230,518.03 and 23,314,492.55

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Solution

The fourth proportional to 80,820,345.35, 121,230,518.03 and 23,314,492.55 is: 34,971,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820,345.35 : 121,230,518.03 = 23,314,492.55 : x
  2. Step 2: Convert to fraction form
    80,820,345.35/121,230,518.03 = 23,314,492.55/x
  3. Step 3: Cross multiply
    80,820,345.35x = 121,230,518.03 × 23,314,492.55
  4. Step 4: Simplify right side
    80,820,345.35x = 2,826,428,009,326,503.50
  5. Step 5: Solve for x
    x = 2,826,428,009,326,503.50/80,820,345.35
  6. Step 6: Final answer
    x = 34,971,738.83

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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.