Home / 30,243,381.70-45,365,072.55-10,048,623.70

Finding the Fourth Proportional to 30,243,381.70, 45,365,072.55 and 10,048,623.70

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Solution

The fourth proportional to 30,243,381.70, 45,365,072.55 and 10,048,623.70 is: 15,072,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243,381.70 : 45,365,072.55 = 10,048,623.70 : x
  2. Step 2: Convert to fraction form
    30,243,381.70/45,365,072.55 = 10,048,623.70/x
  3. Step 3: Cross multiply
    30,243,381.70x = 45,365,072.55 × 10,048,623.70
  4. Step 4: Simplify right side
    30,243,381.70x = 455,856,543,178,149.38
  5. Step 5: Solve for x
    x = 455,856,543,178,149.38/30,243,381.70
  6. Step 6: Final answer
    x = 15,072,935.55

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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.