Home / 313,684,910.53-470,427,539.39-103,556,471.87

Finding the Fourth Proportional to 313,684,910.53, 470,427,539.39 and 103,556,471.87

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Solution

The fourth proportional to 313,684,910.53, 470,427,539.39 and 103,556,471.87 is: 155,301,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,684,910.53 : 470,427,539.39 = 103,556,471.87 : x
  2. Step 2: Convert to fraction form
    313,684,910.53/470,427,539.39 = 103,556,471.87/x
  3. Step 3: Cross multiply
    313,684,910.53x = 470,427,539.39 × 103,556,471.87
  4. Step 4: Simplify right side
    313,684,910.53x = 48,715,816,249,196,072
  5. Step 5: Solve for x
    x = 48,715,816,249,196,072/313,684,910.53
  6. Step 6: Final answer
    x = 155,301,752.22

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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.