Home / 142,730,820.20-214,096,230.30-46,980,266.60

Finding the Fourth Proportional to 142,730,820.20, 214,096,230.30 and 46,980,266.60

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Solution

The fourth proportional to 142,730,820.20, 214,096,230.30 and 46,980,266.60 is: 70,470,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,730,820.20 : 214,096,230.30 = 46,980,266.60 : x
  2. Step 2: Convert to fraction form
    142,730,820.20/214,096,230.30 = 46,980,266.60/x
  3. Step 3: Cross multiply
    142,730,820.20x = 214,096,230.30 × 46,980,266.60
  4. Step 4: Simplify right side
    142,730,820.20x = 10,058,297,977,548,998
  5. Step 5: Solve for x
    x = 10,058,297,977,548,998/142,730,820.20
  6. Step 6: Final answer
    x = 70,470,399.90

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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.