Home / 216,194,960.45-298,349,333.17-117,075,878.75

Finding the Fourth Proportional to 216,194,960.45, 298,349,333.17 and 117,075,878.75

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Solution

The fourth proportional to 216,194,960.45, 298,349,333.17 and 117,075,878.75 is: 161,564,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,194,960.45 : 298,349,333.17 = 117,075,878.75 : x
  2. Step 2: Convert to fraction form
    216,194,960.45/298,349,333.17 = 117,075,878.75/x
  3. Step 3: Cross multiply
    216,194,960.45x = 298,349,333.17 × 117,075,878.75
  4. Step 4: Simplify right side
    216,194,960.45x = 34,929,510,355,807,460
  5. Step 5: Solve for x
    x = 34,929,510,355,807,460/216,194,960.45
  6. Step 6: Final answer
    x = 161,564,868.50

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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.