Home / 450,157,071.79-675,141,129.27-126,965,361.07

Finding the Fourth Proportional to 450,157,071.79, 675,141,129.27 and 126,965,361.07

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Solution

The fourth proportional to 450,157,071.79, 675,141,129.27 and 126,965,361.07 is: 190,421,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,157,071.79 : 675,141,129.27 = 126,965,361.07 : x
  2. Step 2: Convert to fraction form
    450,157,071.79/675,141,129.27 = 126,965,361.07/x
  3. Step 3: Cross multiply
    450,157,071.79x = 675,141,129.27 × 126,965,361.07
  4. Step 4: Simplify right side
    450,157,071.79x = 85,719,537,250,973,088
  5. Step 5: Solve for x
    x = 85,719,537,250,973,088/450,157,071.79
  6. Step 6: Final answer
    x = 190,421,394.27

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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.