Home / 307,637,921.86-424,540,299.38-166,509,118.81

Finding the Fourth Proportional to 307,637,921.86, 424,540,299.38 and 166,509,118.81

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Solution

The fourth proportional to 307,637,921.86, 424,540,299.38 and 166,509,118.81 is: 229,782,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,637,921.86 : 424,540,299.38 = 166,509,118.81 : x
  2. Step 2: Convert to fraction form
    307,637,921.86/424,540,299.38 = 166,509,118.81/x
  3. Step 3: Cross multiply
    307,637,921.86x = 424,540,299.38 × 166,509,118.81
  4. Step 4: Simplify right side
    307,637,921.86x = 70,689,831,151,572,776
  5. Step 5: Solve for x
    x = 70,689,831,151,572,776/307,637,921.86
  6. Step 6: Final answer
    x = 229,782,566.22

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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.