Home / 313,173,070.15-470,170,156.67-210,003,920.71

Finding the Fourth Proportional to 313,173,070.15, 470,170,156.67 and 210,003,920.71

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Solution

The fourth proportional to 313,173,070.15, 470,170,156.67 and 210,003,920.71 is: 315,281,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,173,070.15 : 470,170,156.67 = 210,003,920.71 : x
  2. Step 2: Convert to fraction form
    313,173,070.15/470,170,156.67 = 210,003,920.71/x
  3. Step 3: Cross multiply
    313,173,070.15x = 470,170,156.67 × 210,003,920.71
  4. Step 4: Simplify right side
    313,173,070.15x = 98,737,576,301,534,960
  5. Step 5: Solve for x
    x = 98,737,576,301,534,960/313,173,070.15
  6. Step 6: Final answer
    x = 315,281,183.83

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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.