Home / 84,649,239.16-116,825,082.86-47,975,873.56

Finding the Fourth Proportional to 84,649,239.16, 116,825,082.86 and 47,975,873.56

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Solution

The fourth proportional to 84,649,239.16, 116,825,082.86 and 47,975,873.56 is: 66,211,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,649,239.16 : 116,825,082.86 = 47,975,873.56 : x
  2. Step 2: Convert to fraction form
    84,649,239.16/116,825,082.86 = 47,975,873.56/x
  3. Step 3: Cross multiply
    84,649,239.16x = 116,825,082.86 × 47,975,873.56
  4. Step 4: Simplify right side
    84,649,239.16x = 5,604,785,403,927,883
  5. Step 5: Solve for x
    x = 5,604,785,403,927,883/84,649,239.16
  6. Step 6: Final answer
    x = 66,211,881.64

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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.