Home / 139,562,696.36-192,596,526.42-77,681,709.56

Finding the Fourth Proportional to 139,562,696.36, 192,596,526.42 and 77,681,709.56

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Solution

The fourth proportional to 139,562,696.36, 192,596,526.42 and 77,681,709.56 is: 107,200,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,562,696.36 : 192,596,526.42 = 77,681,709.56 : x
  2. Step 2: Convert to fraction form
    139,562,696.36/192,596,526.42 = 77,681,709.56/x
  3. Step 3: Cross multiply
    139,562,696.36x = 192,596,526.42 × 77,681,709.56
  4. Step 4: Simplify right side
    139,562,696.36x = 14,961,227,427,623,306
  5. Step 5: Solve for x
    x = 14,961,227,427,623,306/139,562,696.36
  6. Step 6: Final answer
    x = 107,200,762.22

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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.