Home / 365,991,126.24-549,004,345.84-120,342,322.72

Finding the Fourth Proportional to 365,991,126.24, 549,004,345.84 and 120,342,322.72

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Solution

The fourth proportional to 365,991,126.24, 549,004,345.84 and 120,342,322.72 is: 180,519,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,991,126.24 : 549,004,345.84 = 120,342,322.72 : x
  2. Step 2: Convert to fraction form
    365,991,126.24/549,004,345.84 = 120,342,322.72/x
  3. Step 3: Cross multiply
    365,991,126.24x = 549,004,345.84 × 120,342,322.72
  4. Step 4: Simplify right side
    365,991,126.24x = 66,068,458,161,759,776
  5. Step 5: Solve for x
    x = 66,068,458,161,759,776/365,991,126.24
  6. Step 6: Final answer
    x = 180,519,289.74

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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.