Home / 103,210,135.74-154,837,601.37-31,404,685.50

Finding the Fourth Proportional to 103,210,135.74, 154,837,601.37 and 31,404,685.50

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Solution

The fourth proportional to 103,210,135.74, 154,837,601.37 and 31,404,685.50 is: 47,113,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,210,135.74 : 154,837,601.37 = 31,404,685.50 : x
  2. Step 2: Convert to fraction form
    103,210,135.74/154,837,601.37 = 31,404,685.50/x
  3. Step 3: Cross multiply
    103,210,135.74x = 154,837,601.37 × 31,404,685.50
  4. Step 4: Simplify right side
    103,210,135.74x = 4,862,626,174,599,219
  5. Step 5: Solve for x
    x = 4,862,626,174,599,219/103,210,135.74
  6. Step 6: Final answer
    x = 47,113,843.42

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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.