Home / 103,207,474.84-142,426,274.10-56,797,728.76

Finding the Fourth Proportional to 103,207,474.84, 142,426,274.10 and 56,797,728.76

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Solution

The fourth proportional to 103,207,474.84, 142,426,274.10 and 56,797,728.76 is: 78,380,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,207,474.84 : 142,426,274.10 = 56,797,728.76 : x
  2. Step 2: Convert to fraction form
    103,207,474.84/142,426,274.10 = 56,797,728.76/x
  3. Step 3: Cross multiply
    103,207,474.84x = 142,426,274.10 × 56,797,728.76
  4. Step 4: Simplify right side
    103,207,474.84x = 8,089,488,884,629,212
  5. Step 5: Solve for x
    x = 8,089,488,884,629,212/103,207,474.84
  6. Step 6: Final answer
    x = 78,380,843.03

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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.