Home / 365,990,955-549,004,088.88-120,342,151.32

Finding the Fourth Proportional to 365,990,955, 549,004,088.88 and 120,342,151.32

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Solution

The fourth proportional to 365,990,955, 549,004,088.88 and 120,342,151.32 is: 180,519,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,990,955 : 549,004,088.88 = 120,342,151.32 : x
  2. Step 2: Convert to fraction form
    365,990,955/549,004,088.88 = 120,342,151.32/x
  3. Step 3: Cross multiply
    365,990,955x = 549,004,088.88 × 120,342,151.32
  4. Step 4: Simplify right side
    365,990,955x = 66,068,333,139,295,688
  5. Step 5: Solve for x
    x = 66,068,333,139,295,688/365,990,955
  6. Step 6: Final answer
    x = 180,519,032.61

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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.