Home / 147,055,715.60-220,158,420.60-142,804,187.60

Finding the Fourth Proportional to 147,055,715.60, 220,158,420.60 and 142,804,187.60

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Solution

The fourth proportional to 147,055,715.60, 220,158,420.60 and 142,804,187.60 is: 213,793,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055,715.60 : 220,158,420.60 = 142,804,187.60 : x
  2. Step 2: Convert to fraction form
    147,055,715.60/220,158,420.60 = 142,804,187.60/x
  3. Step 3: Cross multiply
    147,055,715.60x = 220,158,420.60 × 142,804,187.60
  4. Step 4: Simplify right side
    147,055,715.60x = 31,439,544,397,082,104
  5. Step 5: Solve for x
    x = 31,439,544,397,082,104/147,055,715.60
  6. Step 6: Final answer
    x = 213,793,420.19

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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.