Home / 142,730,821.20-214,096,231.80-46,980,267.60

Finding the Fourth Proportional to 142,730,821.20, 214,096,231.80 and 46,980,267.60

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Solution

The fourth proportional to 142,730,821.20, 214,096,231.80 and 46,980,267.60 is: 70,470,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,730,821.20 : 214,096,231.80 = 46,980,267.60 : x
  2. Step 2: Convert to fraction form
    142,730,821.20/214,096,231.80 = 46,980,267.60/x
  3. Step 3: Cross multiply
    142,730,821.20x = 214,096,231.80 × 46,980,267.60
  4. Step 4: Simplify right side
    142,730,821.20x = 10,058,298,262,115,630
  5. Step 5: Solve for x
    x = 10,058,298,262,115,630/142,730,821.20
  6. Step 6: Final answer
    x = 70,470,401.40

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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.