Home / 218,233,552.46-301,556,246.80-155,400,565.40

Finding the Fourth Proportional to 218,233,552.46, 301,556,246.80 and 155,400,565.40

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Solution

The fourth proportional to 218,233,552.46, 301,556,246.80 and 155,400,565.40 is: 214,733,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233,552.46 : 301,556,246.80 = 155,400,565.40 : x
  2. Step 2: Convert to fraction form
    218,233,552.46/301,556,246.80 = 155,400,565.40/x
  3. Step 3: Cross multiply
    218,233,552.46x = 301,556,246.80 × 155,400,565.40
  4. Step 4: Simplify right side
    218,233,552.46x = 46,862,011,252,621,944
  5. Step 5: Solve for x
    x = 46,862,011,252,621,944/218,233,552.46
  6. Step 6: Final answer
    x = 214,733,301.66

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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.