Home / 77,761,286.40-116,641,929.60-50,688,364.80

Finding the Fourth Proportional to 77,761,286.40, 116,641,929.60 and 50,688,364.80

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Solution

The fourth proportional to 77,761,286.40, 116,641,929.60 and 50,688,364.80 is: 76,032,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,761,286.40 : 116,641,929.60 = 50,688,364.80 : x
  2. Step 2: Convert to fraction form
    77,761,286.40/116,641,929.60 = 50,688,364.80/x
  3. Step 3: Cross multiply
    77,761,286.40x = 116,641,929.60 × 50,688,364.80
  4. Step 4: Simplify right side
    77,761,286.40x = 5,912,388,678,540,717
  5. Step 5: Solve for x
    x = 5,912,388,678,540,717/77,761,286.40
  6. Step 6: Final answer
    x = 76,032,547.20

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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.