Home / 161,701,321.20-242,551,981.80-46,689,615.60

Finding the Fourth Proportional to 161,701,321.20, 242,551,981.80 and 46,689,615.60

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Solution

The fourth proportional to 161,701,321.20, 242,551,981.80 and 46,689,615.60 is: 70,034,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,701,321.20 : 242,551,981.80 = 46,689,615.60 : x
  2. Step 2: Convert to fraction form
    161,701,321.20/242,551,981.80 = 46,689,615.60/x
  3. Step 3: Cross multiply
    161,701,321.20x = 242,551,981.80 × 46,689,615.60
  4. Step 4: Simplify right side
    161,701,321.20x = 11,324,658,793,260,196
  5. Step 5: Solve for x
    x = 11,324,658,793,260,196/161,701,321.20
  6. Step 6: Final answer
    x = 70,034,423.40

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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.