Home / 211,440,069.60-316,740,200.40-186,189,842.40

Finding the Fourth Proportional to 211,440,069.60, 316,740,200.40 and 186,189,842.40

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Solution

The fourth proportional to 211,440,069.60, 316,740,200.40 and 186,189,842.40 is: 278,915,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,440,069.60 : 316,740,200.40 = 186,189,842.40 : x
  2. Step 2: Convert to fraction form
    211,440,069.60/316,740,200.40 = 186,189,842.40/x
  3. Step 3: Cross multiply
    211,440,069.60x = 316,740,200.40 × 186,189,842.40
  4. Step 4: Simplify right side
    211,440,069.60x = 58,973,807,994,220,416
  5. Step 5: Solve for x
    x = 58,973,807,994,220,416/211,440,069.60
  6. Step 6: Final answer
    x = 278,915,004.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.