Home / 192,086,373.85-288,039,857.32-69,248,513.05

Finding the Fourth Proportional to 192,086,373.85, 288,039,857.32 and 69,248,513.05

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Solution

The fourth proportional to 192,086,373.85, 288,039,857.32 and 69,248,513.05 is: 103,840,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,086,373.85 : 288,039,857.32 = 69,248,513.05 : x
  2. Step 2: Convert to fraction form
    192,086,373.85/288,039,857.32 = 69,248,513.05/x
  3. Step 3: Cross multiply
    192,086,373.85x = 288,039,857.32 × 69,248,513.05
  4. Step 4: Simplify right side
    192,086,373.85x = 19,946,331,818,544,156
  5. Step 5: Solve for x
    x = 19,946,331,818,544,156/192,086,373.85
  6. Step 6: Final answer
    x = 103,840,430.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.