Home / 209,799,790.02-314,624,102.31-88,640,689.86

Finding the Fourth Proportional to 209,799,790.02, 314,624,102.31 and 88,640,689.86

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Solution

The fourth proportional to 209,799,790.02, 314,624,102.31 and 88,640,689.86 is: 132,929,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,799,790.02 : 314,624,102.31 = 88,640,689.86 : x
  2. Step 2: Convert to fraction form
    209,799,790.02/314,624,102.31 = 88,640,689.86/x
  3. Step 3: Cross multiply
    209,799,790.02x = 314,624,102.31 × 88,640,689.86
  4. Step 4: Simplify right side
    209,799,790.02x = 27,888,497,475,341,620
  5. Step 5: Solve for x
    x = 27,888,497,475,341,620/209,799,790.02
  6. Step 6: Final answer
    x = 132,929,100.99

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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.