Home / 48,120,506.68-72,199,665.06-21,175,267

Finding the Fourth Proportional to 48,120,506.68, 72,199,665.06 and 21,175,267

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Solution

The fourth proportional to 48,120,506.68, 72,199,665.06 and 21,175,267 is: 31,771,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,120,506.68 : 72,199,665.06 = 21,175,267 : x
  2. Step 2: Convert to fraction form
    48,120,506.68/72,199,665.06 = 21,175,267/x
  3. Step 3: Cross multiply
    48,120,506.68x = 72,199,665.06 × 21,175,267
  4. Step 4: Simplify right side
    48,120,506.68x = 1,528,847,184,956,071
  5. Step 5: Solve for x
    x = 1,528,847,184,956,071/48,120,506.68
  6. Step 6: Final answer
    x = 31,771,219.60

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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.