Home / 140,666,289.12-210,886,729.20-66,852,997.92

Finding the Fourth Proportional to 140,666,289.12, 210,886,729.20 and 66,852,997.92

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Solution

The fourth proportional to 140,666,289.12, 210,886,729.20 and 66,852,997.92 is: 100,225,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,666,289.12 : 210,886,729.20 = 66,852,997.92 : x
  2. Step 2: Convert to fraction form
    140,666,289.12/210,886,729.20 = 66,852,997.92/x
  3. Step 3: Cross multiply
    140,666,289.12x = 210,886,729.20 × 66,852,997.92
  4. Step 4: Simplify right side
    140,666,289.12x = 14,098,410,068,563,202
  5. Step 5: Solve for x
    x = 14,098,410,068,563,202/140,666,289.12
  6. Step 6: Final answer
    x = 100,225,933.00

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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.