Home / 55,633,760.10-76,779,185.13-30,861,933.69

Finding the Fourth Proportional to 55,633,760.10, 76,779,185.13 and 30,861,933.69

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Solution

The fourth proportional to 55,633,760.10, 76,779,185.13 and 30,861,933.69 is: 42,592,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633,760.10 : 76,779,185.13 = 30,861,933.69 : x
  2. Step 2: Convert to fraction form
    55,633,760.10/76,779,185.13 = 30,861,933.69/x
  3. Step 3: Cross multiply
    55,633,760.10x = 76,779,185.13 × 30,861,933.69
  4. Step 4: Simplify right side
    55,633,760.10x = 2,369,554,120,254,294
  5. Step 5: Solve for x
    x = 2,369,554,120,254,294/55,633,760.10
  6. Step 6: Final answer
    x = 42,592,018.16

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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.