Home / 90,724,211.10-135,999,225.45-30,108,735.90

Finding the Fourth Proportional to 90,724,211.10, 135,999,225.45 and 30,108,735.90

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Solution

The fourth proportional to 90,724,211.10, 135,999,225.45 and 30,108,735.90 is: 45,134,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,724,211.10 : 135,999,225.45 = 30,108,735.90 : x
  2. Step 2: Convert to fraction form
    90,724,211.10/135,999,225.45 = 30,108,735.90/x
  3. Step 3: Cross multiply
    90,724,211.10x = 135,999,225.45 × 30,108,735.90
  4. Step 4: Simplify right side
    90,724,211.10x = 4,094,764,761,678,608
  5. Step 5: Solve for x
    x = 4,094,764,761,678,608/90,724,211.10
  6. Step 6: Final answer
    x = 45,134,200.81

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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.