Home / 129,350,913.42-178,504,985.56-73,596,332.48

Finding the Fourth Proportional to 129,350,913.42, 178,504,985.56 and 73,596,332.48

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Solution

The fourth proportional to 129,350,913.42, 178,504,985.56 and 73,596,332.48 is: 101,563,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,350,913.42 : 178,504,985.56 = 73,596,332.48 : x
  2. Step 2: Convert to fraction form
    129,350,913.42/178,504,985.56 = 73,596,332.48/x
  3. Step 3: Cross multiply
    129,350,913.42x = 178,504,985.56 × 73,596,332.48
  4. Step 4: Simplify right side
    129,350,913.42x = 13,137,312,265,350,852
  5. Step 5: Solve for x
    x = 13,137,312,265,350,852/129,350,913.42
  6. Step 6: Final answer
    x = 101,563,351.34

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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.