Home / 314,763,309.89-434,353,705.41-173,636,162.63

Finding the Fourth Proportional to 314,763,309.89, 434,353,705.41 and 173,636,162.63

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Solution

The fourth proportional to 314,763,309.89, 434,353,705.41 and 173,636,162.63 is: 239,607,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,763,309.89 : 434,353,705.41 = 173,636,162.63 : x
  2. Step 2: Convert to fraction form
    314,763,309.89/434,353,705.41 = 173,636,162.63/x
  3. Step 3: Cross multiply
    314,763,309.89x = 434,353,705.41 × 173,636,162.63
  4. Step 4: Simplify right side
    314,763,309.89x = 75,419,510,628,473,920
  5. Step 5: Solve for x
    x = 75,419,510,628,473,920/314,763,309.89
  6. Step 6: Final answer
    x = 239,607,057.94

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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.