Home / 310,169,939.32-428,098,032.66-184,795,580.80

Finding the Fourth Proportional to 310,169,939.32, 428,098,032.66 and 184,795,580.80

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Solution

The fourth proportional to 310,169,939.32, 428,098,032.66 and 184,795,580.80 is: 255,055,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,169,939.32 : 428,098,032.66 = 184,795,580.80 : x
  2. Step 2: Convert to fraction form
    310,169,939.32/428,098,032.66 = 184,795,580.80/x
  3. Step 3: Cross multiply
    310,169,939.32x = 428,098,032.66 × 184,795,580.80
  4. Step 4: Simplify right side
    310,169,939.32x = 79,110,624,584,742,080
  5. Step 5: Solve for x
    x = 79,110,624,584,742,080/310,169,939.32
  6. Step 6: Final answer
    x = 255,055,743.82

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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.