Home / 295,021,811.88-407,119,429.98-162,859,971.78

Finding the Fourth Proportional to 295,021,811.88, 407,119,429.98 and 162,859,971.78

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Solution

The fourth proportional to 295,021,811.88, 407,119,429.98 and 162,859,971.78 is: 224,740,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,021,811.88 : 407,119,429.98 = 162,859,971.78 : x
  2. Step 2: Convert to fraction form
    295,021,811.88/407,119,429.98 = 162,859,971.78/x
  3. Step 3: Cross multiply
    295,021,811.88x = 407,119,429.98 × 162,859,971.78
  4. Step 4: Simplify right side
    295,021,811.88x = 66,303,458,877,632,488
  5. Step 5: Solve for x
    x = 66,303,458,877,632,488/295,021,811.88
  6. Step 6: Final answer
    x = 224,740,870.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.