Home / 147,055,665.60-220,158,345.60-142,804,137.60

Finding the Fourth Proportional to 147,055,665.60, 220,158,345.60 and 142,804,137.60

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Solution

The fourth proportional to 147,055,665.60, 220,158,345.60 and 142,804,137.60 is: 213,793,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055,665.60 : 220,158,345.60 = 142,804,137.60 : x
  2. Step 2: Convert to fraction form
    147,055,665.60/220,158,345.60 = 142,804,137.60/x
  3. Step 3: Cross multiply
    147,055,665.60x = 220,158,345.60 × 142,804,137.60
  4. Step 4: Simplify right side
    147,055,665.60x = 31,439,522,678,850,752
  5. Step 5: Solve for x
    x = 31,439,522,678,850,752/147,055,665.60
  6. Step 6: Final answer
    x = 213,793,345.20

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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.