Home / 51,938,133.70-77,804,557.35-45,555,592.90

Finding the Fourth Proportional to 51,938,133.70, 77,804,557.35 and 45,555,592.90

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Solution

The fourth proportional to 51,938,133.70, 77,804,557.35 and 45,555,592.90 is: 68,243,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938,133.70 : 77,804,557.35 = 45,555,592.90 : x
  2. Step 2: Convert to fraction form
    51,938,133.70/77,804,557.35 = 45,555,592.90/x
  3. Step 3: Cross multiply
    51,938,133.70x = 77,804,557.35 × 45,555,592.90
  4. Step 4: Simplify right side
    51,938,133.70x = 3,544,432,740,401,302.50
  5. Step 5: Solve for x
    x = 3,544,432,740,401,302.50/51,938,133.70
  6. Step 6: Final answer
    x = 68,243,359.70

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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.