Home / 243,620,007.70-365,430,011.55-186,224,379.70

Finding the Fourth Proportional to 243,620,007.70, 365,430,011.55 and 186,224,379.70

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Solution

The fourth proportional to 243,620,007.70, 365,430,011.55 and 186,224,379.70 is: 279,336,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,620,007.70 : 365,430,011.55 = 186,224,379.70 : x
  2. Step 2: Convert to fraction form
    243,620,007.70/365,430,011.55 = 186,224,379.70/x
  3. Step 3: Cross multiply
    243,620,007.70x = 365,430,011.55 × 186,224,379.70
  4. Step 4: Simplify right side
    243,620,007.70x = 68,051,977,224,662,584
  5. Step 5: Solve for x
    x = 68,051,977,224,662,584/243,620,007.70
  6. Step 6: Final answer
    x = 279,336,569.55

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1.5x scale

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.