Home / 228,242,492.46-342,150,746.42-90,069,243.76

Finding the Fourth Proportional to 228,242,492.46, 342,150,746.42 and 90,069,243.76

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Solution

The fourth proportional to 228,242,492.46, 342,150,746.42 and 90,069,243.76 is: 135,019,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,242,492.46 : 342,150,746.42 = 90,069,243.76 : x
  2. Step 2: Convert to fraction form
    228,242,492.46/342,150,746.42 = 90,069,243.76/x
  3. Step 3: Cross multiply
    228,242,492.46x = 342,150,746.42 × 90,069,243.76
  4. Step 4: Simplify right side
    228,242,492.46x = 30,817,258,981,968,932
  5. Step 5: Solve for x
    x = 30,817,258,981,968,932/228,242,492.46
  6. Step 6: Final answer
    x = 135,019,814.45

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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.