Home / 288,020,416.80-397,425,418.08-174,931,059.04

Finding the Fourth Proportional to 288,020,416.80, 397,425,418.08 and 174,931,059.04

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Solution

The fourth proportional to 288,020,416.80, 397,425,418.08 and 174,931,059.04 is: 241,378,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,020,416.80 : 397,425,418.08 = 174,931,059.04 : x
  2. Step 2: Convert to fraction form
    288,020,416.80/397,425,418.08 = 174,931,059.04/x
  3. Step 3: Cross multiply
    288,020,416.80x = 397,425,418.08 × 174,931,059.04
  4. Step 4: Simplify right side
    288,020,416.80x = 69,522,049,274,149,160
  5. Step 5: Solve for x
    x = 69,522,049,274,149,160/288,020,416.80
  6. Step 6: Final answer
    x = 241,378,892.67

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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.