Home / 103,792,601.22-143,236,779.75-57,385,851.18

Finding the Fourth Proportional to 103,792,601.22, 143,236,779.75 and 57,385,851.18

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Solution

The fourth proportional to 103,792,601.22, 143,236,779.75 and 57,385,851.18 is: 79,194,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,792,601.22 : 143,236,779.75 = 57,385,851.18 : x
  2. Step 2: Convert to fraction form
    103,792,601.22/143,236,779.75 = 57,385,851.18/x
  3. Step 3: Cross multiply
    103,792,601.22x = 143,236,779.75 × 57,385,851.18
  4. Step 4: Simplify right side
    103,792,601.22x = 8,219,764,526,235,938
  5. Step 5: Solve for x
    x = 8,219,764,526,235,938/103,792,601.22
  6. Step 6: Final answer
    x = 79,194,127.81

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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.