Home / 66,538,683.80-99,808,025.70-37,873,237.40

Finding the Fourth Proportional to 66,538,683.80, 99,808,025.70 and 37,873,237.40

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Solution

The fourth proportional to 66,538,683.80, 99,808,025.70 and 37,873,237.40 is: 56,809,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538,683.80 : 99,808,025.70 = 37,873,237.40 : x
  2. Step 2: Convert to fraction form
    66,538,683.80/99,808,025.70 = 37,873,237.40/x
  3. Step 3: Cross multiply
    66,538,683.80x = 99,808,025.70 × 37,873,237.40
  4. Step 4: Simplify right side
    66,538,683.80x = 3,780,053,051,761,401
  5. Step 5: Solve for x
    x = 3,780,053,051,761,401/66,538,683.80
  6. Step 6: Final answer
    x = 56,809,856.10

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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.