Home / 193,620,094.95-267,187,956.45-105,512,214.75

Finding the Fourth Proportional to 193,620,094.95, 267,187,956.45 and 105,512,214.75

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Solution

The fourth proportional to 193,620,094.95, 267,187,956.45 and 105,512,214.75 is: 145,602,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620,094.95 : 267,187,956.45 = 105,512,214.75 : x
  2. Step 2: Convert to fraction form
    193,620,094.95/267,187,956.45 = 105,512,214.75/x
  3. Step 3: Cross multiply
    193,620,094.95x = 267,187,956.45 × 105,512,214.75
  4. Step 4: Simplify right side
    193,620,094.95x = 28,191,593,039,566,048
  5. Step 5: Solve for x
    x = 28,191,593,039,566,048/193,620,094.95
  6. Step 6: Final answer
    x = 145,602,619.64

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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.