Home / 162,305,323.32-223,850,745.54-142,684,259.16

Finding the Fourth Proportional to 162,305,323.32, 223,850,745.54 and 142,684,259.16

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Solution

The fourth proportional to 162,305,323.32, 223,850,745.54 and 142,684,259.16 is: 196,789,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,305,323.32 : 223,850,745.54 = 142,684,259.16 : x
  2. Step 2: Convert to fraction form
    162,305,323.32/223,850,745.54 = 142,684,259.16/x
  3. Step 3: Cross multiply
    162,305,323.32x = 223,850,745.54 × 142,684,259.16
  4. Step 4: Simplify right side
    162,305,323.32x = 31,939,977,789,788,572
  5. Step 5: Solve for x
    x = 31,939,977,789,788,572/162,305,323.32
  6. Step 6: Final answer
    x = 196,789,465.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.