Home / 155,812,146,465.99-233,869,353,457.11-75,194,583,845.78

Finding the Fourth Proportional to 155,812,146,465.99, 233,869,353,457.11 and 75,194,583,845.78

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Solution

The fourth proportional to 155,812,146,465.99, 233,869,353,457.11 and 75,194,583,845.78 is: 112,864,812,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,812,146,465.99 : 233,869,353,457.11 = 75,194,583,845.78 : x
  2. Step 2: Convert to fraction form
    155,812,146,465.99/233,869,353,457.11 = 75,194,583,845.78/x
  3. Step 3: Cross multiply
    155,812,146,465.99x = 233,869,353,457.11 × 75,194,583,845.78
  4. Step 4: Simplify right side
    155,812,146,465.99x = 17,585,708,707,488,546,684,928
  5. Step 5: Solve for x
    x = 17,585,708,707,488,546,684,928/155,812,146,465.99
  6. Step 6: Final answer
    x = 112,864,812,573.05

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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.