Home / 137,905,715.60-206,858,573.40-120,899,603.60

Finding the Fourth Proportional to 137,905,715.60, 206,858,573.40 and 120,899,603.60

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Solution

The fourth proportional to 137,905,715.60, 206,858,573.40 and 120,899,603.60 is: 181,349,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,715.60 : 206,858,573.40 = 120,899,603.60 : x
  2. Step 2: Convert to fraction form
    137,905,715.60/206,858,573.40 = 120,899,603.60/x
  3. Step 3: Cross multiply
    137,905,715.60x = 206,858,573.40 × 120,899,603.60
  4. Step 4: Simplify right side
    137,905,715.60x = 25,009,119,525,321,504
  5. Step 5: Solve for x
    x = 25,009,119,525,321,504/137,905,715.60
  6. Step 6: Final answer
    x = 181,349,405.40

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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.