Home / 106,890,611.10-160,335,916.65-91,585,110.30

Finding the Fourth Proportional to 106,890,611.10, 160,335,916.65 and 91,585,110.30

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Solution

The fourth proportional to 106,890,611.10, 160,335,916.65 and 91,585,110.30 is: 137,377,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,890,611.10 : 160,335,916.65 = 91,585,110.30 : x
  2. Step 2: Convert to fraction form
    106,890,611.10/160,335,916.65 = 91,585,110.30/x
  3. Step 3: Cross multiply
    106,890,611.10x = 160,335,916.65 × 91,585,110.30
  4. Step 4: Simplify right side
    106,890,611.10x = 14,684,382,611,441,856
  5. Step 5: Solve for x
    x = 14,684,382,611,441,856/106,890,611.10
  6. Step 6: Final answer
    x = 137,377,665.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.