Home / 284,810,946.56-393,046,834.68-161,070,128

Finding the Fourth Proportional to 284,810,946.56, 393,046,834.68 and 161,070,128

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Solution

The fourth proportional to 284,810,946.56, 393,046,834.68 and 161,070,128 is: 222,281,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,810,946.56 : 393,046,834.68 = 161,070,128 : x
  2. Step 2: Convert to fraction form
    284,810,946.56/393,046,834.68 = 161,070,128/x
  3. Step 3: Cross multiply
    284,810,946.56x = 393,046,834.68 × 161,070,128
  4. Step 4: Simplify right side
    284,810,946.56x = 63,308,103,971,902,440
  5. Step 5: Solve for x
    x = 63,308,103,971,902,440/284,810,946.56
  6. Step 6: Final answer
    x = 222,281,147.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.