Home / 103,367,916.40-155,051,874.60-45,866,000.20

Finding the Fourth Proportional to 103,367,916.40, 155,051,874.60 and 45,866,000.20

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Solution

The fourth proportional to 103,367,916.40, 155,051,874.60 and 45,866,000.20 is: 68,799,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,367,916.40 : 155,051,874.60 = 45,866,000.20 : x
  2. Step 2: Convert to fraction form
    103,367,916.40/155,051,874.60 = 45,866,000.20/x
  3. Step 3: Cross multiply
    103,367,916.40x = 155,051,874.60 × 45,866,000.20
  4. Step 4: Simplify right side
    103,367,916.40x = 7,111,609,311,413,975
  5. Step 5: Solve for x
    x = 7,111,609,311,413,975/103,367,916.40
  6. Step 6: Final answer
    x = 68,799,000.30

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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.