Home / 402,205,280.67-603,319,242.68-111,072,405.65

Finding the Fourth Proportional to 402,205,280.67, 603,319,242.68 and 111,072,405.65

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Solution

The fourth proportional to 402,205,280.67, 603,319,242.68 and 111,072,405.65 is: 166,611,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,205,280.67 : 603,319,242.68 = 111,072,405.65 : x
  2. Step 2: Convert to fraction form
    402,205,280.67/603,319,242.68 = 111,072,405.65/x
  3. Step 3: Cross multiply
    402,205,280.67x = 603,319,242.68 × 111,072,405.65
  4. Step 4: Simplify right side
    402,205,280.67x = 67,012,119,655,831,784
  5. Step 5: Solve for x
    x = 67,012,119,655,831,784/402,205,280.67
  6. Step 6: Final answer
    x = 166,611,735.04

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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.