Home / 139,834,165.29-192,975,806.64-76,257,973.26

Finding the Fourth Proportional to 139,834,165.29, 192,975,806.64 and 76,257,973.26

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Solution

The fourth proportional to 139,834,165.29, 192,975,806.64 and 76,257,973.26 is: 105,238,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,834,165.29 : 192,975,806.64 = 76,257,973.26 : x
  2. Step 2: Convert to fraction form
    139,834,165.29/192,975,806.64 = 76,257,973.26/x
  3. Step 3: Cross multiply
    139,834,165.29x = 192,975,806.64 × 76,257,973.26
  4. Step 4: Simplify right side
    139,834,165.29x = 14,715,943,902,580,050
  5. Step 5: Solve for x
    x = 14,715,943,902,580,050/139,834,165.29
  6. Step 6: Final answer
    x = 105,238,543.61

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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.