Home / 119,343,940.68-179,015,960.65-53,688,390.34

Finding the Fourth Proportional to 119,343,940.68, 179,015,960.65 and 53,688,390.34

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Solution

The fourth proportional to 119,343,940.68, 179,015,960.65 and 53,688,390.34 is: 80,532,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,343,940.68 : 179,015,960.65 = 53,688,390.34 : x
  2. Step 2: Convert to fraction form
    119,343,940.68/179,015,960.65 = 53,688,390.34/x
  3. Step 3: Cross multiply
    119,343,940.68x = 179,015,960.65 × 53,688,390.34
  4. Step 4: Simplify right side
    119,343,940.68x = 9,611,078,771,303,760
  5. Step 5: Solve for x
    x = 9,611,078,771,303,760/119,343,940.68
  6. Step 6: Final answer
    x = 80,532,607.83

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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.