Home / 264,798,435.20-397,197,652.80-83,045,321.60

Finding the Fourth Proportional to 264,798,435.20, 397,197,652.80 and 83,045,321.60

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Solution

The fourth proportional to 264,798,435.20, 397,197,652.80 and 83,045,321.60 is: 124,567,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,798,435.20 : 397,197,652.80 = 83,045,321.60 : x
  2. Step 2: Convert to fraction form
    264,798,435.20/397,197,652.80 = 83,045,321.60/x
  3. Step 3: Cross multiply
    264,798,435.20x = 397,197,652.80 × 83,045,321.60
  4. Step 4: Simplify right side
    264,798,435.20x = 32,985,406,815,541,140
  5. Step 5: Solve for x
    x = 32,985,406,815,541,140/264,798,435.20
  6. Step 6: Final answer
    x = 124,567,982.40

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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.