Home / 99,360,059.80-149,040,089.70-83,487,688.60

Finding the Fourth Proportional to 99,360,059.80, 149,040,089.70 and 83,487,688.60

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Solution

The fourth proportional to 99,360,059.80, 149,040,089.70 and 83,487,688.60 is: 125,231,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360,059.80 : 149,040,089.70 = 83,487,688.60 : x
  2. Step 2: Convert to fraction form
    99,360,059.80/149,040,089.70 = 83,487,688.60/x
  3. Step 3: Cross multiply
    99,360,059.80x = 149,040,089.70 × 83,487,688.60
  4. Step 4: Simplify right side
    99,360,059.80x = 12,443,012,597,789,666
  5. Step 5: Solve for x
    x = 12,443,012,597,789,666/99,360,059.80
  6. Step 6: Final answer
    x = 125,231,532.90

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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.