Home / 192,830,041.70-289,128,506.37-77,680,095.83

Finding the Fourth Proportional to 192,830,041.70, 289,128,506.37 and 77,680,095.83

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Solution

The fourth proportional to 192,830,041.70, 289,128,506.37 and 77,680,095.83 is: 116,473,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830,041.70 : 289,128,506.37 = 77,680,095.83 : x
  2. Step 2: Convert to fraction form
    192,830,041.70/289,128,506.37 = 77,680,095.83/x
  3. Step 3: Cross multiply
    192,830,041.70x = 289,128,506.37 × 77,680,095.83
  4. Step 4: Simplify right side
    192,830,041.70x = 22,459,530,082,006,364
  5. Step 5: Solve for x
    x = 22,459,530,082,006,364/192,830,041.70
  6. Step 6: Final answer
    x = 116,473,189.99

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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.