Home / 55,358,503.20-83,037,754.80-55,039,638.60

Finding the Fourth Proportional to 55,358,503.20, 83,037,754.80 and 55,039,638.60

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Solution

The fourth proportional to 55,358,503.20, 83,037,754.80 and 55,039,638.60 is: 82,559,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358,503.20 : 83,037,754.80 = 55,039,638.60 : x
  2. Step 2: Convert to fraction form
    55,358,503.20/83,037,754.80 = 55,039,638.60/x
  3. Step 3: Cross multiply
    55,358,503.20x = 83,037,754.80 × 55,039,638.60
  4. Step 4: Simplify right side
    55,358,503.20x = 4,570,368,014,347,415
  5. Step 5: Solve for x
    x = 4,570,368,014,347,415/55,358,503.20
  6. Step 6: Final answer
    x = 82,559,457.90

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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.