Home / 213,340,303.81-320,010,579.34-59,986,360.25

Finding the Fourth Proportional to 213,340,303.81, 320,010,579.34 and 59,986,360.25

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Solution

The fourth proportional to 213,340,303.81, 320,010,579.34 and 59,986,360.25 is: 89,979,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,340,303.81 : 320,010,579.34 = 59,986,360.25 : x
  2. Step 2: Convert to fraction form
    213,340,303.81/320,010,579.34 = 59,986,360.25/x
  3. Step 3: Cross multiply
    213,340,303.81x = 320,010,579.34 × 59,986,360.25
  4. Step 4: Simplify right side
    213,340,303.81x = 19,196,269,895,886,992
  5. Step 5: Solve for x
    x = 19,196,269,895,886,992/213,340,303.81
  6. Step 6: Final answer
    x = 89,979,575.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.