Home / 219,150,000.16-328,746,753.60-81,011,809.60

Finding the Fourth Proportional to 219,150,000.16, 328,746,753.60 and 81,011,809.60

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Solution

The fourth proportional to 219,150,000.16, 328,746,753.60 and 81,011,809.60 is: 121,525,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,150,000.16 : 328,746,753.60 = 81,011,809.60 : x
  2. Step 2: Convert to fraction form
    219,150,000.16/328,746,753.60 = 81,011,809.60/x
  3. Step 3: Cross multiply
    219,150,000.16x = 328,746,753.60 × 81,011,809.60
  4. Step 4: Simplify right side
    219,150,000.16x = 26,632,369,409,261,316
  5. Step 5: Solve for x
    x = 26,632,369,409,261,316/219,150,000.16
  6. Step 6: Final answer
    x = 121,525,755.83

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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.