Home / 74,706,810.70-112,060,216.05-45,859,405.90

Finding the Fourth Proportional to 74,706,810.70, 112,060,216.05 and 45,859,405.90

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Solution

The fourth proportional to 74,706,810.70, 112,060,216.05 and 45,859,405.90 is: 68,789,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706,810.70 : 112,060,216.05 = 45,859,405.90 : x
  2. Step 2: Convert to fraction form
    74,706,810.70/112,060,216.05 = 45,859,405.90/x
  3. Step 3: Cross multiply
    74,706,810.70x = 112,060,216.05 × 45,859,405.90
  4. Step 4: Simplify right side
    74,706,810.70x = 5,139,014,933,078,644
  5. Step 5: Solve for x
    x = 5,139,014,933,078,644/74,706,810.70
  6. Step 6: Final answer
    x = 68,789,108.85

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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.