Home / 72,590,599.48-108,901,842.74-21,468,632.76

Finding the Fourth Proportional to 72,590,599.48, 108,901,842.74 and 21,468,632.76

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Solution

The fourth proportional to 72,590,599.48, 108,901,842.74 and 21,468,632.76 is: 32,207,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,590,599.48 : 108,901,842.74 = 21,468,632.76 : x
  2. Step 2: Convert to fraction form
    72,590,599.48/108,901,842.74 = 21,468,632.76/x
  3. Step 3: Cross multiply
    72,590,599.48x = 108,901,842.74 × 21,468,632.76
  4. Step 4: Simplify right side
    72,590,599.48x = 2,337,973,668,672,332
  5. Step 5: Solve for x
    x = 2,337,973,668,672,332/72,590,599.48
  6. Step 6: Final answer
    x = 32,207,664.43

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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.