Home / 156,080,489-234,071,111.10-145,890,968.36

Finding the Fourth Proportional to 156,080,489, 234,071,111.10 and 145,890,968.36

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Solution

The fourth proportional to 156,080,489, 234,071,111.10 and 145,890,968.36 is: 218,790,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,080,489 : 234,071,111.10 = 145,890,968.36 : x
  2. Step 2: Convert to fraction form
    156,080,489/234,071,111.10 = 145,890,968.36/x
  3. Step 3: Cross multiply
    156,080,489x = 234,071,111.10 × 145,890,968.36
  4. Step 4: Simplify right side
    156,080,489x = 34,148,861,063,480,148
  5. Step 5: Solve for x
    x = 34,148,861,063,480,148/156,080,489
  6. Step 6: Final answer
    x = 218,790,069.68

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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.