Home / 72,104,501.61-99,504,077.59-39,065,571.89

Finding the Fourth Proportional to 72,104,501.61, 99,504,077.59 and 39,065,571.89

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Solution

The fourth proportional to 72,104,501.61, 99,504,077.59 and 39,065,571.89 is: 53,910,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,104,501.61 : 99,504,077.59 = 39,065,571.89 : x
  2. Step 2: Convert to fraction form
    72,104,501.61/99,504,077.59 = 39,065,571.89/x
  3. Step 3: Cross multiply
    72,104,501.61x = 99,504,077.59 × 39,065,571.89
  4. Step 4: Simplify right side
    72,104,501.61x = 3,887,183,696,029,864.50
  5. Step 5: Solve for x
    x = 3,887,183,696,029,864.50/72,104,501.61
  6. Step 6: Final answer
    x = 53,910,416.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.