Home / 56,882,952.84-78,497,916.07-30,776,897.87

Finding the Fourth Proportional to 56,882,952.84, 78,497,916.07 and 30,776,897.87

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Solution

The fourth proportional to 56,882,952.84, 78,497,916.07 and 30,776,897.87 is: 42,471,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882,952.84 : 78,497,916.07 = 30,776,897.87 : x
  2. Step 2: Convert to fraction form
    56,882,952.84/78,497,916.07 = 30,776,897.87/x
  3. Step 3: Cross multiply
    56,882,952.84x = 78,497,916.07 × 30,776,897.87
  4. Step 4: Simplify right side
    56,882,952.84x = 2,415,922,345,894,221.50
  5. Step 5: Solve for x
    x = 2,415,922,345,894,221.50/56,882,952.84
  6. Step 6: Final answer
    x = 42,471,816.69

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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.