Home / 70,636,545.58-105,954,580.98-18,114,158.89

Finding the Fourth Proportional to 70,636,545.58, 105,954,580.98 and 18,114,158.89

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Solution

The fourth proportional to 70,636,545.58, 105,954,580.98 and 18,114,158.89 is: 27,171,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636,545.58 : 105,954,580.98 = 18,114,158.89 : x
  2. Step 2: Convert to fraction form
    70,636,545.58/105,954,580.98 = 18,114,158.89/x
  3. Step 3: Cross multiply
    70,636,545.58x = 105,954,580.98 × 18,114,158.89
  4. Step 4: Simplify right side
    70,636,545.58x = 1,919,278,115,146,736
  5. Step 5: Solve for x
    x = 1,919,278,115,146,736/70,636,545.58
  6. Step 6: Final answer
    x = 27,171,177.46

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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.