Home / 67,128,015.40-100,692,023.10-59,563,522.60

Finding the Fourth Proportional to 67,128,015.40, 100,692,023.10 and 59,563,522.60

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Solution

The fourth proportional to 67,128,015.40, 100,692,023.10 and 59,563,522.60 is: 89,345,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128,015.40 : 100,692,023.10 = 59,563,522.60 : x
  2. Step 2: Convert to fraction form
    67,128,015.40/100,692,023.10 = 59,563,522.60/x
  3. Step 3: Cross multiply
    67,128,015.40x = 100,692,023.10 × 59,563,522.60
  4. Step 4: Simplify right side
    67,128,015.40x = 5,997,571,593,556,572
  5. Step 5: Solve for x
    x = 5,997,571,593,556,572/67,128,015.40
  6. Step 6: Final answer
    x = 89,345,283.90

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1.5x scale

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.