Home / 320,532,993.04-480,807,771-87,365,622.16

Finding the Fourth Proportional to 320,532,993.04, 480,807,771 and 87,365,622.16

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Solution

The fourth proportional to 320,532,993.04, 480,807,771 and 87,365,622.16 is: 131,050,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,532,993.04 : 480,807,771 = 87,365,622.16 : x
  2. Step 2: Convert to fraction form
    320,532,993.04/480,807,771 = 87,365,622.16/x
  3. Step 3: Cross multiply
    320,532,993.04x = 480,807,771 × 87,365,622.16
  4. Step 4: Simplify right side
    320,532,993.04x = 42,006,070,052,777,800
  5. Step 5: Solve for x
    x = 42,006,070,052,777,800/320,532,993.04
  6. Step 6: Final answer
    x = 131,050,690.46

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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.