Home / 43,864,859-65,803,391.40-18,299,988.08

Finding the Fourth Proportional to 43,864,859, 65,803,391.40 and 18,299,988.08

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Solution

The fourth proportional to 43,864,859, 65,803,391.40 and 18,299,988.08 is: 27,452,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,864,859 : 65,803,391.40 = 18,299,988.08 : x
  2. Step 2: Convert to fraction form
    43,864,859/65,803,391.40 = 18,299,988.08/x
  3. Step 3: Cross multiply
    43,864,859x = 65,803,391.40 × 18,299,988.08
  4. Step 4: Simplify right side
    43,864,859x = 1,204,201,278,243,574.25
  5. Step 5: Solve for x
    x = 1,204,201,278,243,574.25/43,864,859
  6. Step 6: Final answer
    x = 27,452,528.19

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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.