Home / 161,765,999.10-242,648,998.65-52,590,959.10

Finding the Fourth Proportional to 161,765,999.10, 242,648,998.65 and 52,590,959.10

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Solution

The fourth proportional to 161,765,999.10, 242,648,998.65 and 52,590,959.10 is: 78,886,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,765,999.10 : 242,648,998.65 = 52,590,959.10 : x
  2. Step 2: Convert to fraction form
    161,765,999.10/242,648,998.65 = 52,590,959.10/x
  3. Step 3: Cross multiply
    161,765,999.10x = 242,648,998.65 × 52,590,959.10
  4. Step 4: Simplify right side
    161,765,999.10x = 12,761,143,563,658,106
  5. Step 5: Solve for x
    x = 12,761,143,563,658,106/161,765,999.10
  6. Step 6: Final answer
    x = 78,886,438.65

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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.