Home / 56,686,443.20-84,966,679.20-31,145,782.40

Finding the Fourth Proportional to 56,686,443.20, 84,966,679.20 and 31,145,782.40

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Solution

The fourth proportional to 56,686,443.20, 84,966,679.20 and 31,145,782.40 is: 46,684,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686,443.20 : 84,966,679.20 = 31,145,782.40 : x
  2. Step 2: Convert to fraction form
    56,686,443.20/84,966,679.20 = 31,145,782.40/x
  3. Step 3: Cross multiply
    56,686,443.20x = 84,966,679.20 × 31,145,782.40
  4. Step 4: Simplify right side
    56,686,443.20x = 2,646,353,701,613,806
  5. Step 5: Solve for x
    x = 2,646,353,701,613,806/56,686,443.20
  6. Step 6: Final answer
    x = 46,684,066.81

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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.