Home / 56,942,859-78,581,028.78-30,837,369

Finding the Fourth Proportional to 56,942,859, 78,581,028.78 and 30,837,369

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Solution

The fourth proportional to 56,942,859, 78,581,028.78 and 30,837,369 is: 42,555,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942,859 : 78,581,028.78 = 30,837,369 : x
  2. Step 2: Convert to fraction form
    56,942,859/78,581,028.78 = 30,837,369/x
  3. Step 3: Cross multiply
    56,942,859x = 78,581,028.78 × 30,837,369
  4. Step 4: Simplify right side
    56,942,859x = 2,423,232,180,888,480
  5. Step 5: Solve for x
    x = 2,423,232,180,888,480/56,942,859
  6. Step 6: Final answer
    x = 42,555,506.05

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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.