Home / 83,777,928.16-115,624,068.96-47,108,236

Finding the Fourth Proportional to 83,777,928.16, 115,624,068.96 and 47,108,236

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Solution

The fourth proportional to 83,777,928.16, 115,624,068.96 and 47,108,236 is: 65,015,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,777,928.16 : 115,624,068.96 = 47,108,236 : x
  2. Step 2: Convert to fraction form
    83,777,928.16/115,624,068.96 = 47,108,236/x
  3. Step 3: Cross multiply
    83,777,928.16x = 115,624,068.96 × 47,108,236
  4. Step 4: Simplify right side
    83,777,928.16x = 5,446,845,927,847,954
  5. Step 5: Solve for x
    x = 5,446,845,927,847,954/83,777,928.16
  6. Step 6: Final answer
    x = 65,015,285.62

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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.