Home / 65,200,610.40-97,800,915.60-31,188,386.40

Finding the Fourth Proportional to 65,200,610.40, 97,800,915.60 and 31,188,386.40

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Solution

The fourth proportional to 65,200,610.40, 97,800,915.60 and 31,188,386.40 is: 46,782,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,610.40 : 97,800,915.60 = 31,188,386.40 : x
  2. Step 2: Convert to fraction form
    65,200,610.40/97,800,915.60 = 31,188,386.40/x
  3. Step 3: Cross multiply
    65,200,610.40x = 97,800,915.60 × 31,188,386.40
  4. Step 4: Simplify right side
    65,200,610.40x = 3,050,252,746,006,587.50
  5. Step 5: Solve for x
    x = 3,050,252,746,006,587.50/65,200,610.40
  6. Step 6: Final answer
    x = 46,782,579.60

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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.