Home / 179,483,142.80-247,705,779.40-105,206,109.80

Finding the Fourth Proportional to 179,483,142.80, 247,705,779.40 and 105,206,109.80

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Solution

The fourth proportional to 179,483,142.80, 247,705,779.40 and 105,206,109.80 is: 145,195,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,483,142.80 : 247,705,779.40 = 105,206,109.80 : x
  2. Step 2: Convert to fraction form
    179,483,142.80/247,705,779.40 = 105,206,109.80/x
  3. Step 3: Cross multiply
    179,483,142.80x = 247,705,779.40 × 105,206,109.80
  4. Step 4: Simplify right side
    179,483,142.80x = 26,060,161,424,149,436
  5. Step 5: Solve for x
    x = 26,060,161,424,149,436/179,483,142.80
  6. Step 6: Final answer
    x = 145,195,593.40

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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.