Home / 189,670,256.84-284,545,996.32-56,733,554.48

Finding the Fourth Proportional to 189,670,256.84, 284,545,996.32 and 56,733,554.48

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Solution

The fourth proportional to 189,670,256.84, 284,545,996.32 and 56,733,554.48 is: 85,112,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,670,256.84 : 284,545,996.32 = 56,733,554.48 : x
  2. Step 2: Convert to fraction form
    189,670,256.84/284,545,996.32 = 56,733,554.48/x
  3. Step 3: Cross multiply
    189,670,256.84x = 284,545,996.32 × 56,733,554.48
  4. Step 4: Simplify right side
    189,670,256.84x = 16,143,305,782,863,870
  5. Step 5: Solve for x
    x = 16,143,305,782,863,870/189,670,256.84
  6. Step 6: Final answer
    x = 85,112,479.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.