Home / 98,287,440.80-147,543,135.60-57,920,669.60

Finding the Fourth Proportional to 98,287,440.80, 147,543,135.60 and 57,920,669.60

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Solution

The fourth proportional to 98,287,440.80, 147,543,135.60 and 57,920,669.60 is: 86,946,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,287,440.80 : 147,543,135.60 = 57,920,669.60 : x
  2. Step 2: Convert to fraction form
    98,287,440.80/147,543,135.60 = 57,920,669.60/x
  3. Step 3: Cross multiply
    98,287,440.80x = 147,543,135.60 × 57,920,669.60
  4. Step 4: Simplify right side
    98,287,440.80x = 8,545,797,208,835,598
  5. Step 5: Solve for x
    x = 8,545,797,208,835,598/98,287,440.80
  6. Step 6: Final answer
    x = 86,946,990.78

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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.