Home / 292,421,438.96-438,628,776.88-71,094,032.56

Finding the Fourth Proportional to 292,421,438.96, 438,628,776.88 and 71,094,032.56

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Solution

The fourth proportional to 292,421,438.96, 438,628,776.88 and 71,094,032.56 is: 106,640,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,421,438.96 : 438,628,776.88 = 71,094,032.56 : x
  2. Step 2: Convert to fraction form
    292,421,438.96/438,628,776.88 = 71,094,032.56/x
  3. Step 3: Cross multiply
    292,421,438.96x = 438,628,776.88 × 71,094,032.56
  4. Step 4: Simplify right side
    292,421,438.96x = 31,183,888,545,259,696
  5. Step 5: Solve for x
    x = 31,183,888,545,259,696/292,421,438.96
  6. Step 6: Final answer
    x = 106,640,226.71

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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.