Home / 51,447,242.16-70,994,586.80-30,540,168.48

Finding the Fourth Proportional to 51,447,242.16, 70,994,586.80 and 30,540,168.48

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Solution

The fourth proportional to 51,447,242.16, 70,994,586.80 and 30,540,168.48 is: 42,143,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447,242.16 : 70,994,586.80 = 30,540,168.48 : x
  2. Step 2: Convert to fraction form
    51,447,242.16/70,994,586.80 = 30,540,168.48/x
  3. Step 3: Cross multiply
    51,447,242.16x = 70,994,586.80 × 30,540,168.48
  4. Step 4: Simplify right side
    51,447,242.16x = 2,168,186,642,039,984
  5. Step 5: Solve for x
    x = 2,168,186,642,039,984/51,447,242.16
  6. Step 6: Final answer
    x = 42,143,884.71

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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.