Home / 117,811,390.08-162,578,168.64-64,887,081.60

Finding the Fourth Proportional to 117,811,390.08, 162,578,168.64 and 64,887,081.60

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Solution

The fourth proportional to 117,811,390.08, 162,578,168.64 and 64,887,081.60 is: 89,543,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,811,390.08 : 162,578,168.64 = 64,887,081.60 : x
  2. Step 2: Convert to fraction form
    117,811,390.08/162,578,168.64 = 64,887,081.60/x
  3. Step 3: Cross multiply
    117,811,390.08x = 162,578,168.64 × 64,887,081.60
  4. Step 4: Simplify right side
    117,811,390.08x = 10,549,222,894,922,240
  5. Step 5: Solve for x
    x = 10,549,222,894,922,240/117,811,390.08
  6. Step 6: Final answer
    x = 89,543,319.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.