Home / 56,943,247.12-78,581,289.72-30,837,167.52

Finding the Fourth Proportional to 56,943,247.12, 78,581,289.72 and 30,837,167.52

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Solution

The fourth proportional to 56,943,247.12, 78,581,289.72 and 30,837,167.52 is: 42,555,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943,247.12 : 78,581,289.72 = 30,837,167.52 : x
  2. Step 2: Convert to fraction form
    56,943,247.12/78,581,289.72 = 30,837,167.52/x
  3. Step 3: Cross multiply
    56,943,247.12x = 78,581,289.72 × 30,837,167.52
  4. Step 4: Simplify right side
    56,943,247.12x = 2,423,224,395,033,294
  5. Step 5: Solve for x
    x = 2,423,224,395,033,294/56,943,247.12
  6. Step 6: Final answer
    x = 42,555,079.27

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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.