Home / 288,030,251.35-397,482,958.20-155,871,254.08

Finding the Fourth Proportional to 288,030,251.35, 397,482,958.20 and 155,871,254.08

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Solution

The fourth proportional to 288,030,251.35, 397,482,958.20 and 155,871,254.08 is: 215,102,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,030,251.35 : 397,482,958.20 = 155,871,254.08 : x
  2. Step 2: Convert to fraction form
    288,030,251.35/397,482,958.20 = 155,871,254.08/x
  3. Step 3: Cross multiply
    288,030,251.35x = 397,482,958.20 × 155,871,254.08
  4. Step 4: Simplify right side
    288,030,251.35x = 61,956,167,170,062,224
  5. Step 5: Solve for x
    x = 61,956,167,170,062,224/288,030,251.35
  6. Step 6: Final answer
    x = 215,102,986.16

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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.