Home / 209,952,369.70-314,928,554.55-102,456,945.70

Finding the Fourth Proportional to 209,952,369.70, 314,928,554.55 and 102,456,945.70

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Solution

The fourth proportional to 209,952,369.70, 314,928,554.55 and 102,456,945.70 is: 153,685,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,369.70 : 314,928,554.55 = 102,456,945.70 : x
  2. Step 2: Convert to fraction form
    209,952,369.70/314,928,554.55 = 102,456,945.70/x
  3. Step 3: Cross multiply
    209,952,369.70x = 314,928,554.55 × 102,456,945.70
  4. Step 4: Simplify right side
    209,952,369.70x = 32,266,617,812,908,840
  5. Step 5: Solve for x
    x = 32,266,617,812,908,840/209,952,369.70
  6. Step 6: Final answer
    x = 153,685,418.55

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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.