Home / 186,739,703.70-280,158,544.35-71,727,998.10

Finding the Fourth Proportional to 186,739,703.70, 280,158,544.35 and 71,727,998.10

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Solution

The fourth proportional to 186,739,703.70, 280,158,544.35 and 71,727,998.10 is: 107,610,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,739,703.70 : 280,158,544.35 = 71,727,998.10 : x
  2. Step 2: Convert to fraction form
    186,739,703.70/280,158,544.35 = 71,727,998.10/x
  3. Step 3: Cross multiply
    186,739,703.70x = 280,158,544.35 × 71,727,998.10
  4. Step 4: Simplify right side
    186,739,703.70x = 20,095,211,536,835,564
  5. Step 5: Solve for x
    x = 20,095,211,536,835,564/186,739,703.70
  6. Step 6: Final answer
    x = 107,610,814.08

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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.