Home / 146,646,572.40-219,969,858.60-131,341,071.60

Finding the Fourth Proportional to 146,646,572.40, 219,969,858.60 and 131,341,071.60

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Solution

The fourth proportional to 146,646,572.40, 219,969,858.60 and 131,341,071.60 is: 197,011,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,646,572.40 : 219,969,858.60 = 131,341,071.60 : x
  2. Step 2: Convert to fraction form
    146,646,572.40/219,969,858.60 = 131,341,071.60/x
  3. Step 3: Cross multiply
    146,646,572.40x = 219,969,858.60 × 131,341,071.60
  4. Step 4: Simplify right side
    146,646,572.40x = 28,891,076,948,224,472
  5. Step 5: Solve for x
    x = 28,891,076,948,224,472/146,646,572.40
  6. Step 6: Final answer
    x = 197,011,607.40

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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.