Home / 105,185,866.65-157,778,797.55-28,508,893.35

Finding the Fourth Proportional to 105,185,866.65, 157,778,797.55 and 28,508,893.35

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Solution

The fourth proportional to 105,185,866.65, 157,778,797.55 and 28,508,893.35 is: 42,763,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,185,866.65 : 157,778,797.55 = 28,508,893.35 : x
  2. Step 2: Convert to fraction form
    105,185,866.65/157,778,797.55 = 28,508,893.35/x
  3. Step 3: Cross multiply
    105,185,866.65x = 157,778,797.55 × 28,508,893.35
  4. Step 4: Simplify right side
    105,185,866.65x = 4,498,098,912,101,646.50
  5. Step 5: Solve for x
    x = 4,498,098,912,101,646.50/105,185,866.65
  6. Step 6: Final answer
    x = 42,763,339.37

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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.