Home / 77,328,999.09-106,713,210.06-57,571,108.11

Finding the Fourth Proportional to 77,328,999.09, 106,713,210.06 and 57,571,108.11

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Solution

The fourth proportional to 77,328,999.09, 106,713,210.06 and 57,571,108.11 is: 79,447,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,328,999.09 : 106,713,210.06 = 57,571,108.11 : x
  2. Step 2: Convert to fraction form
    77,328,999.09/106,713,210.06 = 57,571,108.11/x
  3. Step 3: Cross multiply
    77,328,999.09x = 106,713,210.06 × 57,571,108.11
  4. Step 4: Simplify right side
    77,328,999.09x = 6,143,597,753,129,400
  5. Step 5: Solve for x
    x = 6,143,597,753,129,400/77,328,999.09
  6. Step 6: Final answer
    x = 79,447,527.13

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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.