Home / 254,630,689.28-381,184,744.32-155,951,686.88

Finding the Fourth Proportional to 254,630,689.28, 381,184,744.32 and 155,951,686.88

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Solution

The fourth proportional to 254,630,689.28, 381,184,744.32 and 155,951,686.88 is: 233,461,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,630,689.28 : 381,184,744.32 = 155,951,686.88 : x
  2. Step 2: Convert to fraction form
    254,630,689.28/381,184,744.32 = 155,951,686.88/x
  3. Step 3: Cross multiply
    254,630,689.28x = 381,184,744.32 × 155,951,686.88
  4. Step 4: Simplify right side
    254,630,689.28x = 59,446,403,889,625,496
  5. Step 5: Solve for x
    x = 59,446,403,889,625,496/254,630,689.28
  6. Step 6: Final answer
    x = 233,461,269.17

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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.