Home / 170,078,866.95-234,583,527.45-128,264,694.42

Finding the Fourth Proportional to 170,078,866.95, 234,583,527.45 and 128,264,694.42

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Solution

The fourth proportional to 170,078,866.95, 234,583,527.45 and 128,264,694.42 is: 176,910,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,078,866.95 : 234,583,527.45 = 128,264,694.42 : x
  2. Step 2: Convert to fraction form
    170,078,866.95/234,583,527.45 = 128,264,694.42/x
  3. Step 3: Cross multiply
    170,078,866.95x = 234,583,527.45 × 128,264,694.42
  4. Step 4: Simplify right side
    170,078,866.95x = 30,088,784,464,339,932
  5. Step 5: Solve for x
    x = 30,088,784,464,339,932/170,078,866.95
  6. Step 6: Final answer
    x = 176,910,776.77

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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.