Home / 103,839,641.43-143,342,828.07-64,700,755.57

Finding the Fourth Proportional to 103,839,641.43, 143,342,828.07 and 64,700,755.57

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Solution

The fourth proportional to 103,839,641.43, 143,342,828.07 and 64,700,755.57 is: 89,314,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,641.43 : 143,342,828.07 = 64,700,755.57 : x
  2. Step 2: Convert to fraction form
    103,839,641.43/143,342,828.07 = 64,700,755.57/x
  3. Step 3: Cross multiply
    103,839,641.43x = 143,342,828.07 × 64,700,755.57
  4. Step 4: Simplify right side
    103,839,641.43x = 9,274,389,282,100,178
  5. Step 5: Solve for x
    x = 9,274,389,282,100,178/103,839,641.43
  6. Step 6: Final answer
    x = 89,314,534.93

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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.