Home / 56,818,516.70-78,409,576.28-30,713,034.47

Finding the Fourth Proportional to 56,818,516.70, 78,409,576.28 and 30,713,034.47

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Solution

The fourth proportional to 56,818,516.70, 78,409,576.28 and 30,713,034.47 is: 42,384,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818,516.70 : 78,409,576.28 = 30,713,034.47 : x
  2. Step 2: Convert to fraction form
    56,818,516.70/78,409,576.28 = 30,713,034.47/x
  3. Step 3: Cross multiply
    56,818,516.70x = 78,409,576.28 × 30,713,034.47
  4. Step 4: Simplify right side
    56,818,516.70x = 2,408,196,018,750,469
  5. Step 5: Solve for x
    x = 2,408,196,018,750,469/56,818,516.70
  6. Step 6: Final answer
    x = 42,384,000.12

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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.