Home / 76,136,665.59-105,068,731.64-41,329,379.61

Finding the Fourth Proportional to 76,136,665.59, 105,068,731.64 and 41,329,379.61

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Solution

The fourth proportional to 76,136,665.59, 105,068,731.64 and 41,329,379.61 is: 57,034,616.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136,665.59 : 105,068,731.64 = 41,329,379.61 : x
  2. Step 2: Convert to fraction form
    76,136,665.59/105,068,731.64 = 41,329,379.61/x
  3. Step 3: Cross multiply
    76,136,665.59x = 105,068,731.64 × 41,329,379.61
  4. Step 4: Simplify right side
    76,136,665.59x = 4,342,425,494,884,131
  5. Step 5: Solve for x
    x = 4,342,425,494,884,131/76,136,665.59
  6. Step 6: Final answer
    x = 57,034,616.12

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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.