Home / 77,664,029.80-116,496,044.70-76,152,375.40

Finding the Fourth Proportional to 77,664,029.80, 116,496,044.70 and 76,152,375.40

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Solution

The fourth proportional to 77,664,029.80, 116,496,044.70 and 76,152,375.40 is: 114,228,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,664,029.80 : 116,496,044.70 = 76,152,375.40 : x
  2. Step 2: Convert to fraction form
    77,664,029.80/116,496,044.70 = 76,152,375.40/x
  3. Step 3: Cross multiply
    77,664,029.80x = 116,496,044.70 × 76,152,375.40
  4. Step 4: Simplify right side
    77,664,029.80x = 8,871,450,528,609,581
  5. Step 5: Solve for x
    x = 8,871,450,528,609,581/77,664,029.80
  6. Step 6: Final answer
    x = 114,228,563.10

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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.