Home / 76,506,985.18-114,759,905.70-21,919,616.92

Finding the Fourth Proportional to 76,506,985.18, 114,759,905.70 and 21,919,616.92

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Solution

The fourth proportional to 76,506,985.18, 114,759,905.70 and 21,919,616.92 is: 32,879,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,506,985.18 : 114,759,905.70 = 21,919,616.92 : x
  2. Step 2: Convert to fraction form
    76,506,985.18/114,759,905.70 = 21,919,616.92/x
  3. Step 3: Cross multiply
    76,506,985.18x = 114,759,905.70 × 21,919,616.92
  4. Step 4: Simplify right side
    76,506,985.18x = 2,515,493,170,719,324.50
  5. Step 5: Solve for x
    x = 2,515,493,170,719,324.50/76,506,985.18
  6. Step 6: Final answer
    x = 32,879,261.48

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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.