Home / 189,076,828.32-261,141,256.48-127,089,550.08

Finding the Fourth Proportional to 189,076,828.32, 261,141,256.48 and 127,089,550.08

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Solution

The fourth proportional to 189,076,828.32, 261,141,256.48 and 127,089,550.08 is: 175,528,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,076,828.32 : 261,141,256.48 = 127,089,550.08 : x
  2. Step 2: Convert to fraction form
    189,076,828.32/261,141,256.48 = 127,089,550.08/x
  3. Step 3: Cross multiply
    189,076,828.32x = 261,141,256.48 × 127,089,550.08
  4. Step 4: Simplify right side
    189,076,828.32x = 33,188,324,793,369,084
  5. Step 5: Solve for x
    x = 33,188,324,793,369,084/189,076,828.32
  6. Step 6: Final answer
    x = 175,528,250.01

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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.