Home / 103,839,792.54-143,343,036.48-64,700,906.82

Finding the Fourth Proportional to 103,839,792.54, 143,343,036.48 and 64,700,906.82

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Solution

The fourth proportional to 103,839,792.54, 143,343,036.48 and 64,700,906.82 is: 89,314,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,792.54 : 143,343,036.48 = 64,700,906.82 : x
  2. Step 2: Convert to fraction form
    103,839,792.54/143,343,036.48 = 64,700,906.82/x
  3. Step 3: Cross multiply
    103,839,792.54x = 143,343,036.48 × 64,700,906.82
  4. Step 4: Simplify right side
    103,839,792.54x = 9,274,424,446,588,340
  5. Step 5: Solve for x
    x = 9,274,424,446,588,340/103,839,792.54
  6. Step 6: Final answer
    x = 89,314,743.60

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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.