Home / 53,814,152.70-80,697,609.45-21,455,300.70

Finding the Fourth Proportional to 53,814,152.70, 80,697,609.45 and 21,455,300.70

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Solution

The fourth proportional to 53,814,152.70, 80,697,609.45 and 21,455,300.70 is: 32,173,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,814,152.70 : 80,697,609.45 = 21,455,300.70 : x
  2. Step 2: Convert to fraction form
    53,814,152.70/80,697,609.45 = 21,455,300.70/x
  3. Step 3: Cross multiply
    53,814,152.70x = 80,697,609.45 × 21,455,300.70
  4. Step 4: Simplify right side
    53,814,152.70x = 1,731,391,476,520,911.50
  5. Step 5: Solve for x
    x = 1,731,391,476,520,911.50/53,814,152.70
  6. Step 6: Final answer
    x = 32,173,534.09

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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.