Home / 117,811,316.08-162,578,066.52-64,887,007.60

Finding the Fourth Proportional to 117,811,316.08, 162,578,066.52 and 64,887,007.60

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Solution

The fourth proportional to 117,811,316.08, 162,578,066.52 and 64,887,007.60 is: 89,543,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,811,316.08 : 162,578,066.52 = 64,887,007.60 : x
  2. Step 2: Convert to fraction form
    117,811,316.08/162,578,066.52 = 64,887,007.60/x
  3. Step 3: Cross multiply
    117,811,316.08x = 162,578,066.52 × 64,887,007.60
  4. Step 4: Simplify right side
    117,811,316.08x = 10,549,204,237,876,546
  5. Step 5: Solve for x
    x = 10,549,204,237,876,546/117,811,316.08
  6. Step 6: Final answer
    x = 89,543,216.98

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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.