Home / 156,008,002.80-234,012,004.20-117,460,815.60

Finding the Fourth Proportional to 156,008,002.80, 234,012,004.20 and 117,460,815.60

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Solution

The fourth proportional to 156,008,002.80, 234,012,004.20 and 117,460,815.60 is: 176,191,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,008,002.80 : 234,012,004.20 = 117,460,815.60 : x
  2. Step 2: Convert to fraction form
    156,008,002.80/234,012,004.20 = 117,460,815.60/x
  3. Step 3: Cross multiply
    156,008,002.80x = 234,012,004.20 × 117,460,815.60
  4. Step 4: Simplify right side
    156,008,002.80x = 27,487,240,873,522,624
  5. Step 5: Solve for x
    x = 27,487,240,873,522,624/156,008,002.80
  6. Step 6: Final answer
    x = 176,191,223.40

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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.