Home / 272,966,421.60-409,449,632.40-181,133,416.80

Finding the Fourth Proportional to 272,966,421.60, 409,449,632.40 and 181,133,416.80

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Solution

The fourth proportional to 272,966,421.60, 409,449,632.40 and 181,133,416.80 is: 271,700,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,966,421.60 : 409,449,632.40 = 181,133,416.80 : x
  2. Step 2: Convert to fraction form
    272,966,421.60/409,449,632.40 = 181,133,416.80/x
  3. Step 3: Cross multiply
    272,966,421.60x = 409,449,632.40 × 181,133,416.80
  4. Step 4: Simplify right side
    272,966,421.60x = 74,165,010,924,115,984
  5. Step 5: Solve for x
    x = 74,165,010,924,115,984/272,966,421.60
  6. Step 6: Final answer
    x = 271,700,125.20

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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.