Home / 112,290,013.80-168,435,020.70-95,850,772.20

Finding the Fourth Proportional to 112,290,013.80, 168,435,020.70 and 95,850,772.20

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Solution

The fourth proportional to 112,290,013.80, 168,435,020.70 and 95,850,772.20 is: 143,776,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,290,013.80 : 168,435,020.70 = 95,850,772.20 : x
  2. Step 2: Convert to fraction form
    112,290,013.80/168,435,020.70 = 95,850,772.20/x
  3. Step 3: Cross multiply
    112,290,013.80x = 168,435,020.70 × 95,850,772.20
  4. Step 4: Simplify right side
    112,290,013.80x = 16,144,626,799,617,984
  5. Step 5: Solve for x
    x = 16,144,626,799,617,984/112,290,013.80
  6. Step 6: Final answer
    x = 143,776,158.30

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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.