Home / 345,189,000.40-517,783,500.60-89,887,368.40

Finding the Fourth Proportional to 345,189,000.40, 517,783,500.60 and 89,887,368.40

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Solution

The fourth proportional to 345,189,000.40, 517,783,500.60 and 89,887,368.40 is: 134,831,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,189,000.40 : 517,783,500.60 = 89,887,368.40 : x
  2. Step 2: Convert to fraction form
    345,189,000.40/517,783,500.60 = 89,887,368.40/x
  3. Step 3: Cross multiply
    345,189,000.40x = 517,783,500.60 × 89,887,368.40
  4. Step 4: Simplify right side
    345,189,000.40x = 46,542,196,269,873,824
  5. Step 5: Solve for x
    x = 46,542,196,269,873,824/345,189,000.40
  6. Step 6: Final answer
    x = 134,831,052.60

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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.