Home / 103,839,737.46-143,342,960.48-64,700,851.87

Finding the Fourth Proportional to 103,839,737.46, 143,342,960.48 and 64,700,851.87

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Solution

The fourth proportional to 103,839,737.46, 143,342,960.48 and 64,700,851.87 is: 89,314,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,737.46 : 143,342,960.48 = 64,700,851.87 : x
  2. Step 2: Convert to fraction form
    103,839,737.46/143,342,960.48 = 64,700,851.87/x
  3. Step 3: Cross multiply
    103,839,737.46x = 143,342,960.48 × 64,700,851.87
  4. Step 4: Simplify right side
    103,839,737.46x = 9,274,411,652,623,744
  5. Step 5: Solve for x
    x = 9,274,411,652,623,744/103,839,737.46
  6. Step 6: Final answer
    x = 89,314,667.77

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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.