Home / 168,495,000.40-252,742,500.60-141,285,221.20

Finding the Fourth Proportional to 168,495,000.40, 252,742,500.60 and 141,285,221.20

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Solution

The fourth proportional to 168,495,000.40, 252,742,500.60 and 141,285,221.20 is: 211,927,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,495,000.40 : 252,742,500.60 = 141,285,221.20 : x
  2. Step 2: Convert to fraction form
    168,495,000.40/252,742,500.60 = 141,285,221.20/x
  3. Step 3: Cross multiply
    168,495,000.40x = 252,742,500.60 × 141,285,221.20
  4. Step 4: Simplify right side
    168,495,000.40x = 35,708,780,103,912,128
  5. Step 5: Solve for x
    x = 35,708,780,103,912,128/168,495,000.40
  6. Step 6: Final answer
    x = 211,927,831.80

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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.