Home / 216,194,985.15-298,349,367.29-117,075,903.58

Finding the Fourth Proportional to 216,194,985.15, 298,349,367.29 and 117,075,903.58

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Solution

The fourth proportional to 216,194,985.15, 298,349,367.29 and 117,075,903.58 is: 161,564,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,194,985.15 : 298,349,367.29 = 117,075,903.58 : x
  2. Step 2: Convert to fraction form
    216,194,985.15/298,349,367.29 = 117,075,903.58/x
  3. Step 3: Cross multiply
    216,194,985.15x = 298,349,367.29 × 117,075,903.58
  4. Step 4: Simplify right side
    216,194,985.15x = 34,929,521,757,998,048
  5. Step 5: Solve for x
    x = 34,929,521,757,998,048/216,194,985.15
  6. Step 6: Final answer
    x = 161,564,902.78

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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.