Home / 103,596,157.20-155,394,235.80-49,848,445.20

Finding the Fourth Proportional to 103,596,157.20, 155,394,235.80 and 49,848,445.20

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Solution

The fourth proportional to 103,596,157.20, 155,394,235.80 and 49,848,445.20 is: 74,772,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596,157.20 : 155,394,235.80 = 49,848,445.20 : x
  2. Step 2: Convert to fraction form
    103,596,157.20/155,394,235.80 = 49,848,445.20/x
  3. Step 3: Cross multiply
    103,596,157.20x = 155,394,235.80 × 49,848,445.20
  4. Step 4: Simplify right side
    103,596,157.20x = 7,746,161,047,672,179
  5. Step 5: Solve for x
    x = 7,746,161,047,672,179/103,596,157.20
  6. Step 6: Final answer
    x = 74,772,667.80

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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.