Home / 55,658,142.08-76,808,206.36-30,540,416.33

Finding the Fourth Proportional to 55,658,142.08, 76,808,206.36 and 30,540,416.33

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Solution

The fourth proportional to 55,658,142.08, 76,808,206.36 and 30,540,416.33 is: 42,145,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658,142.08 : 76,808,206.36 = 30,540,416.33 : x
  2. Step 2: Convert to fraction form
    55,658,142.08/76,808,206.36 = 30,540,416.33/x
  3. Step 3: Cross multiply
    55,658,142.08x = 76,808,206.36 × 30,540,416.33
  4. Step 4: Simplify right side
    55,658,142.08x = 2,345,754,599,593,104
  5. Step 5: Solve for x
    x = 2,345,754,599,593,104/55,658,142.08
  6. Step 6: Final answer
    x = 42,145,758.23

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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.