Home / 76,031,999.80-114,047,999.70-59,907,686.20

Finding the Fourth Proportional to 76,031,999.80, 114,047,999.70 and 59,907,686.20

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Solution

The fourth proportional to 76,031,999.80, 114,047,999.70 and 59,907,686.20 is: 89,861,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031,999.80 : 114,047,999.70 = 59,907,686.20 : x
  2. Step 2: Convert to fraction form
    76,031,999.80/114,047,999.70 = 59,907,686.20/x
  3. Step 3: Cross multiply
    76,031,999.80x = 114,047,999.70 × 59,907,686.20
  4. Step 4: Simplify right side
    76,031,999.80x = 6,832,351,777,765,295
  5. Step 5: Solve for x
    x = 6,832,351,777,765,295/76,031,999.80
  6. Step 6: Final answer
    x = 89,861,529.30

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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.