Home / 103,839,622.56-143,342,802.24-64,700,737.02

Finding the Fourth Proportional to 103,839,622.56, 143,342,802.24 and 64,700,737.02

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Solution

The fourth proportional to 103,839,622.56, 143,342,802.24 and 64,700,737.02 is: 89,314,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,622.56 : 143,342,802.24 = 64,700,737.02 : x
  2. Step 2: Convert to fraction form
    103,839,622.56/143,342,802.24 = 64,700,737.02/x
  3. Step 3: Cross multiply
    103,839,622.56x = 143,342,802.24 × 64,700,737.02
  4. Step 4: Simplify right side
    103,839,622.56x = 9,274,384,951,440,108
  5. Step 5: Solve for x
    x = 9,274,384,951,440,108/103,839,622.56
  6. Step 6: Final answer
    x = 89,314,509.46

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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.