Home / 228,381,137.50-315,157,530.47-123,956,966.81

Finding the Fourth Proportional to 228,381,137.50, 315,157,530.47 and 123,956,966.81

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Solution

The fourth proportional to 228,381,137.50, 315,157,530.47 and 123,956,966.81 is: 171,056,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,381,137.50 : 315,157,530.47 = 123,956,966.81 : x
  2. Step 2: Convert to fraction form
    228,381,137.50/315,157,530.47 = 123,956,966.81/x
  3. Step 3: Cross multiply
    228,381,137.50x = 315,157,530.47 × 123,956,966.81
  4. Step 4: Simplify right side
    228,381,137.50x = 39,065,971,544,992,144
  5. Step 5: Solve for x
    x = 39,065,971,544,992,144/228,381,137.50
  6. Step 6: Final answer
    x = 171,056,033.66

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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.