Home / 218,233,553.46-301,556,248.18-155,400,566.40

Finding the Fourth Proportional to 218,233,553.46, 301,556,248.18 and 155,400,566.40

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Solution

The fourth proportional to 218,233,553.46, 301,556,248.18 and 155,400,566.40 is: 214,733,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233,553.46 : 301,556,248.18 = 155,400,566.40 : x
  2. Step 2: Convert to fraction form
    218,233,553.46/301,556,248.18 = 155,400,566.40/x
  3. Step 3: Cross multiply
    218,233,553.46x = 301,556,248.18 × 155,400,566.40
  4. Step 4: Simplify right side
    218,233,553.46x = 46,862,011,768,630,976
  5. Step 5: Solve for x
    x = 46,862,011,768,630,976/218,233,553.46
  6. Step 6: Final answer
    x = 214,733,303.04

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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.