Home / 56,895,754.40-78,516,388.47-30,790,274.52

Finding the Fourth Proportional to 56,895,754.40, 78,516,388.47 and 30,790,274.52

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Solution

The fourth proportional to 56,895,754.40, 78,516,388.47 and 30,790,274.52 is: 42,490,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895,754.40 : 78,516,388.47 = 30,790,274.52 : x
  2. Step 2: Convert to fraction form
    56,895,754.40/78,516,388.47 = 30,790,274.52/x
  3. Step 3: Cross multiply
    56,895,754.40x = 78,516,388.47 × 30,790,274.52
  4. Step 4: Simplify right side
    56,895,754.40x = 2,417,541,155,310,262.50
  5. Step 5: Solve for x
    x = 2,417,541,155,310,262.50/56,895,754.40
  6. Step 6: Final answer
    x = 42,490,712.73

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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.