Home / 113,886,000.30-170,829,000.45-75,143,951.40

Finding the Fourth Proportional to 113,886,000.30, 170,829,000.45 and 75,143,951.40

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Solution

The fourth proportional to 113,886,000.30, 170,829,000.45 and 75,143,951.40 is: 112,715,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886,000.30 : 170,829,000.45 = 75,143,951.40 : x
  2. Step 2: Convert to fraction form
    113,886,000.30/170,829,000.45 = 75,143,951.40/x
  3. Step 3: Cross multiply
    113,886,000.30x = 170,829,000.45 × 75,143,951.40
  4. Step 4: Simplify right side
    113,886,000.30x = 12,836,766,107,525,378
  5. Step 5: Solve for x
    x = 12,836,766,107,525,378/113,886,000.30
  6. Step 6: Final answer
    x = 112,715,927.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.