Home / 55,880,140.80-83,820,211.20-49,161,676.80

Finding the Fourth Proportional to 55,880,140.80, 83,820,211.20 and 49,161,676.80

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Solution

The fourth proportional to 55,880,140.80, 83,820,211.20 and 49,161,676.80 is: 73,742,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,880,140.80 : 83,820,211.20 = 49,161,676.80 : x
  2. Step 2: Convert to fraction form
    55,880,140.80/83,820,211.20 = 49,161,676.80/x
  3. Step 3: Cross multiply
    55,880,140.80x = 83,820,211.20 × 49,161,676.80
  4. Step 4: Simplify right side
    55,880,140.80x = 4,120,742,132,322,140
  5. Step 5: Solve for x
    x = 4,120,742,132,322,140/55,880,140.80
  6. Step 6: Final answer
    x = 73,742,515.20

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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.