Home / 108,299,621.60-162,432,001.20-31,604,674.40

Finding the Fourth Proportional to 108,299,621.60, 162,432,001.20 and 31,604,674.40

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Solution

The fourth proportional to 108,299,621.60, 162,432,001.20 and 31,604,674.40 is: 47,401,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,299,621.60 : 162,432,001.20 = 31,604,674.40 : x
  2. Step 2: Convert to fraction form
    108,299,621.60/162,432,001.20 = 31,604,674.40/x
  3. Step 3: Cross multiply
    108,299,621.60x = 162,432,001.20 × 31,604,674.40
  4. Step 4: Simplify right side
    108,299,621.60x = 5,133,610,510,066,409
  5. Step 5: Solve for x
    x = 5,133,610,510,066,409/108,299,621.60
  6. Step 6: Final answer
    x = 47,401,924.72

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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.