Home / 103,633,777.40-155,450,666.10-49,768,100.60

Finding the Fourth Proportional to 103,633,777.40, 155,450,666.10 and 49,768,100.60

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Solution

The fourth proportional to 103,633,777.40, 155,450,666.10 and 49,768,100.60 is: 74,652,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,777.40 : 155,450,666.10 = 49,768,100.60 : x
  2. Step 2: Convert to fraction form
    103,633,777.40/155,450,666.10 = 49,768,100.60/x
  3. Step 3: Cross multiply
    103,633,777.40x = 155,450,666.10 × 49,768,100.60
  4. Step 4: Simplify right side
    103,633,777.40x = 7,736,484,388,801,810
  5. Step 5: Solve for x
    x = 7,736,484,388,801,810/103,633,777.40
  6. Step 6: Final answer
    x = 74,652,150.90

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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.