Home / 113,886,015.30-170,829,022.95-75,143,966.40

Finding the Fourth Proportional to 113,886,015.30, 170,829,022.95 and 75,143,966.40

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Solution

The fourth proportional to 113,886,015.30, 170,829,022.95 and 75,143,966.40 is: 112,715,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886,015.30 : 170,829,022.95 = 75,143,966.40 : x
  2. Step 2: Convert to fraction form
    113,886,015.30/170,829,022.95 = 75,143,966.40/x
  3. Step 3: Cross multiply
    113,886,015.30x = 170,829,022.95 × 75,143,966.40
  4. Step 4: Simplify right side
    113,886,015.30x = 12,836,770,360,699,630
  5. Step 5: Solve for x
    x = 12,836,770,360,699,630/113,886,015.30
  6. Step 6: Final answer
    x = 112,715,949.60

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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.