Home / 316,008,872.82-473,495,679.52-168,299,607.66

Finding the Fourth Proportional to 316,008,872.82, 473,495,679.52 and 168,299,607.66

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Solution

The fourth proportional to 316,008,872.82, 473,495,679.52 and 168,299,607.66 is: 252,173,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,008,872.82 : 473,495,679.52 = 168,299,607.66 : x
  2. Step 2: Convert to fraction form
    316,008,872.82/473,495,679.52 = 168,299,607.66/x
  3. Step 3: Cross multiply
    316,008,872.82x = 473,495,679.52 × 168,299,607.66
  4. Step 4: Simplify right side
    316,008,872.82x = 79,689,137,091,921,088
  5. Step 5: Solve for x
    x = 79,689,137,091,921,088/316,008,872.82
  6. Step 6: Final answer
    x = 252,173,732.91

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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.