Home / 135,070,406.95-186,376,548.67-76,311,632.78

Finding the Fourth Proportional to 135,070,406.95, 186,376,548.67 and 76,311,632.78

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Solution

The fourth proportional to 135,070,406.95, 186,376,548.67 and 76,311,632.78 is: 105,298,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,070,406.95 : 186,376,548.67 = 76,311,632.78 : x
  2. Step 2: Convert to fraction form
    135,070,406.95/186,376,548.67 = 76,311,632.78/x
  3. Step 3: Cross multiply
    135,070,406.95x = 186,376,548.67 × 76,311,632.78
  4. Step 4: Simplify right side
    135,070,406.95x = 14,222,698,740,908,836
  5. Step 5: Solve for x
    x = 14,222,698,740,908,836/135,070,406.95
  6. Step 6: Final answer
    x = 105,298,407.42

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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.