Home / 216,563,989.10-298,527,683.37-132,777,001.22

Finding the Fourth Proportional to 216,563,989.10, 298,527,683.37 and 132,777,001.22

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Solution

The fourth proportional to 216,563,989.10, 298,527,683.37 and 132,777,001.22 is: 183,029,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,563,989.10 : 298,527,683.37 = 132,777,001.22 : x
  2. Step 2: Convert to fraction form
    216,563,989.10/298,527,683.37 = 132,777,001.22/x
  3. Step 3: Cross multiply
    216,563,989.10x = 298,527,683.37 × 132,777,001.22
  4. Step 4: Simplify right side
    216,563,989.10x = 39,637,610,579,022,264
  5. Step 5: Solve for x
    x = 39,637,610,579,022,264/216,563,989.10
  6. Step 6: Final answer
    x = 183,029,555.12

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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.