Home / 78,351,015.10-117,527,023.50-23,018,623.74

Finding the Fourth Proportional to 78,351,015.10, 117,527,023.50 and 23,018,623.74

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Solution

The fourth proportional to 78,351,015.10, 117,527,023.50 and 23,018,623.74 is: 34,528,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,351,015.10 : 117,527,023.50 = 23,018,623.74 : x
  2. Step 2: Convert to fraction form
    78,351,015.10/117,527,023.50 = 23,018,623.74/x
  3. Step 3: Cross multiply
    78,351,015.10x = 117,527,023.50 × 23,018,623.74
  4. Step 4: Simplify right side
    78,351,015.10x = 2,705,310,333,228,637.50
  5. Step 5: Solve for x
    x = 2,705,310,333,228,637.50/78,351,015.10
  6. Step 6: Final answer
    x = 34,528,082.76

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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.