Home / 86,873,913.36-119,887,437.96-47,719,308.24

Finding the Fourth Proportional to 86,873,913.36, 119,887,437.96 and 47,719,308.24

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Solution

The fourth proportional to 86,873,913.36, 119,887,437.96 and 47,719,308.24 is: 65,853,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873,913.36 : 119,887,437.96 = 47,719,308.24 : x
  2. Step 2: Convert to fraction form
    86,873,913.36/119,887,437.96 = 47,719,308.24/x
  3. Step 3: Cross multiply
    86,873,913.36x = 119,887,437.96 × 47,719,308.24
  4. Step 4: Simplify right side
    86,873,913.36x = 5,720,945,606,117,117
  5. Step 5: Solve for x
    x = 5,720,945,606,117,117/86,873,913.36
  6. Step 6: Final answer
    x = 65,853,434.99

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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.