Home / 126,368,001.80-189,552,002.70-103,409,750.60

Finding the Fourth Proportional to 126,368,001.80, 189,552,002.70 and 103,409,750.60

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Solution

The fourth proportional to 126,368,001.80, 189,552,002.70 and 103,409,750.60 is: 155,114,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,368,001.80 : 189,552,002.70 = 103,409,750.60 : x
  2. Step 2: Convert to fraction form
    126,368,001.80/189,552,002.70 = 103,409,750.60/x
  3. Step 3: Cross multiply
    126,368,001.80x = 189,552,002.70 × 103,409,750.60
  4. Step 4: Simplify right side
    126,368,001.80x = 19,601,525,324,937,524
  5. Step 5: Solve for x
    x = 19,601,525,324,937,524/126,368,001.80
  6. Step 6: Final answer
    x = 155,114,625.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.