Home / 103,859,440.20-155,663,189.10-46,290,601.80

Finding the Fourth Proportional to 103,859,440.20, 155,663,189.10 and 46,290,601.80

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Solution

The fourth proportional to 103,859,440.20, 155,663,189.10 and 46,290,601.80 is: 69,379,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,859,440.20 : 155,663,189.10 = 46,290,601.80 : x
  2. Step 2: Convert to fraction form
    103,859,440.20/155,663,189.10 = 46,290,601.80/x
  3. Step 3: Cross multiply
    103,859,440.20x = 155,663,189.10 × 46,290,601.80
  4. Step 4: Simplify right side
    103,859,440.20x = 7,205,742,701,546,200
  5. Step 5: Solve for x
    x = 7,205,742,701,546,200/103,859,440.20
  6. Step 6: Final answer
    x = 69,379,756.79

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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.