Home / 160,044,530.40-220,861,676.04-86,705,672.40

Finding the Fourth Proportional to 160,044,530.40, 220,861,676.04 and 86,705,672.40

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Solution

The fourth proportional to 160,044,530.40, 220,861,676.04 and 86,705,672.40 is: 119,653,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,044,530.40 : 220,861,676.04 = 86,705,672.40 : x
  2. Step 2: Convert to fraction form
    160,044,530.40/220,861,676.04 = 86,705,672.40/x
  3. Step 3: Cross multiply
    160,044,530.40x = 220,861,676.04 × 86,705,672.40
  4. Step 4: Simplify right side
    160,044,530.40x = 19,149,960,128,439,168
  5. Step 5: Solve for x
    x = 19,149,960,128,439,168/160,044,530.40
  6. Step 6: Final answer
    x = 119,653,949.31

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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.