Home / 105,185,638.53-157,778,458.20-28,508,666.85

Finding the Fourth Proportional to 105,185,638.53, 157,778,458.20 and 28,508,666.85

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Solution

The fourth proportional to 105,185,638.53, 157,778,458.20 and 28,508,666.85 is: 42,763,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,185,638.53 : 157,778,458.20 = 28,508,666.85 : x
  2. Step 2: Convert to fraction form
    105,185,638.53/157,778,458.20 = 28,508,666.85/x
  3. Step 3: Cross multiply
    105,185,638.53x = 157,778,458.20 × 28,508,666.85
  4. Step 4: Simplify right side
    105,185,638.53x = 4,498,053,500,930,450.50
  5. Step 5: Solve for x
    x = 4,498,053,500,930,450.50/105,185,638.53
  6. Step 6: Final answer
    x = 42,763,000.38

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1.5x scale

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.