Home / 185,680,571.58-256,244,956.71-102,047,184.72

Finding the Fourth Proportional to 185,680,571.58, 256,244,956.71 and 102,047,184.72

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Solution

The fourth proportional to 185,680,571.58, 256,244,956.71 and 102,047,184.72 is: 140,828,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,680,571.58 : 256,244,956.71 = 102,047,184.72 : x
  2. Step 2: Convert to fraction form
    185,680,571.58/256,244,956.71 = 102,047,184.72/x
  3. Step 3: Cross multiply
    185,680,571.58x = 256,244,956.71 × 102,047,184.72
  4. Step 4: Simplify right side
    185,680,571.58x = 26,149,076,430,953,776
  5. Step 5: Solve for x
    x = 26,149,076,430,953,776/185,680,571.58
  6. Step 6: Final answer
    x = 140,828,284.88

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1.5x scale

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.