Home / 43,138,074.42-64,708,440.17-18,864,506.70

Finding the Fourth Proportional to 43,138,074.42, 64,708,440.17 and 18,864,506.70

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Solution

The fourth proportional to 43,138,074.42, 64,708,440.17 and 18,864,506.70 is: 28,297,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,074.42 : 64,708,440.17 = 18,864,506.70 : x
  2. Step 2: Convert to fraction form
    43,138,074.42/64,708,440.17 = 18,864,506.70/x
  3. Step 3: Cross multiply
    43,138,074.42x = 64,708,440.17 × 18,864,506.70
  4. Step 4: Simplify right side
    43,138,074.42x = 1,220,692,803,039,191.50
  5. Step 5: Solve for x
    x = 1,220,692,803,039,191.50/43,138,074.42
  6. Step 6: Final answer
    x = 28,297,341.03

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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.