Home / 209,952,259.70-314,928,389.55-200,386,321.70

Finding the Fourth Proportional to 209,952,259.70, 314,928,389.55 and 200,386,321.70

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Solution

The fourth proportional to 209,952,259.70, 314,928,389.55 and 200,386,321.70 is: 300,579,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,259.70 : 314,928,389.55 = 200,386,321.70 : x
  2. Step 2: Convert to fraction form
    209,952,259.70/314,928,389.55 = 200,386,321.70/x
  3. Step 3: Cross multiply
    209,952,259.70x = 314,928,389.55 × 200,386,321.70
  4. Step 4: Simplify right side
    209,952,259.70x = 63,107,341,580,829,216
  5. Step 5: Solve for x
    x = 63,107,341,580,829,216/209,952,259.70
  6. Step 6: Final answer
    x = 300,579,482.55

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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.