Home / 302,430,854.40-453,347,683.20-148,951,276.80

Finding the Fourth Proportional to 302,430,854.40, 453,347,683.20 and 148,951,276.80

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Solution

The fourth proportional to 302,430,854.40, 453,347,683.20 and 148,951,276.80 is: 223,279,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430,854.40 : 453,347,683.20 = 148,951,276.80 : x
  2. Step 2: Convert to fraction form
    302,430,854.40/453,347,683.20 = 148,951,276.80/x
  3. Step 3: Cross multiply
    302,430,854.40x = 453,347,683.20 × 148,951,276.80
  4. Step 4: Simplify right side
    302,430,854.40x = 67,526,716,246,961,912
  5. Step 5: Solve for x
    x = 67,526,716,246,961,912/302,430,854.40
  6. Step 6: Final answer
    x = 223,279,851.46

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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.