Home / 103,839,795.05-143,343,039.93-64,700,909.33

Finding the Fourth Proportional to 103,839,795.05, 143,343,039.93 and 64,700,909.33

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Solution

The fourth proportional to 103,839,795.05, 143,343,039.93 and 64,700,909.33 is: 89,314,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,795.05 : 143,343,039.93 = 64,700,909.33 : x
  2. Step 2: Convert to fraction form
    103,839,795.05/143,343,039.93 = 64,700,909.33/x
  3. Step 3: Cross multiply
    103,839,795.05x = 143,343,039.93 × 64,700,909.33
  4. Step 4: Simplify right side
    103,839,795.05x = 9,274,425,029,597,500
  5. Step 5: Solve for x
    x = 9,274,425,029,597,500/103,839,795.05
  6. Step 6: Final answer
    x = 89,314,747.06

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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.