Home / 147,543,600.60-221,315,400.90-143,292,072.60

Finding the Fourth Proportional to 147,543,600.60, 221,315,400.90 and 143,292,072.60

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Solution

The fourth proportional to 147,543,600.60, 221,315,400.90 and 143,292,072.60 is: 214,938,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,543,600.60 : 221,315,400.90 = 143,292,072.60 : x
  2. Step 2: Convert to fraction form
    147,543,600.60/221,315,400.90 = 143,292,072.60/x
  3. Step 3: Cross multiply
    147,543,600.60x = 221,315,400.90 × 143,292,072.60
  4. Step 4: Simplify right side
    147,543,600.60x = 31,712,742,493,260,904
  5. Step 5: Solve for x
    x = 31,712,742,493,260,904/147,543,600.60
  6. Step 6: Final answer
    x = 214,938,108.90

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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.