Home / 103,633,769.40-155,450,654.10-49,768,092.60

Finding the Fourth Proportional to 103,633,769.40, 155,450,654.10 and 49,768,092.60

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Solution

The fourth proportional to 103,633,769.40, 155,450,654.10 and 49,768,092.60 is: 74,652,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,769.40 : 155,450,654.10 = 49,768,092.60 : x
  2. Step 2: Convert to fraction form
    103,633,769.40/155,450,654.10 = 49,768,092.60/x
  3. Step 3: Cross multiply
    103,633,769.40x = 155,450,654.10 × 49,768,092.60
  4. Step 4: Simplify right side
    103,633,769.40x = 7,736,482,547,979,370
  5. Step 5: Solve for x
    x = 7,736,482,547,979,370/103,633,769.40
  6. Step 6: Final answer
    x = 74,652,138.90

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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.