Home / 55,367,620.60-83,051,430.90-42,453,604.30

Finding the Fourth Proportional to 55,367,620.60, 83,051,430.90 and 42,453,604.30

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Solution

The fourth proportional to 55,367,620.60, 83,051,430.90 and 42,453,604.30 is: 63,680,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367,620.60 : 83,051,430.90 = 42,453,604.30 : x
  2. Step 2: Convert to fraction form
    55,367,620.60/83,051,430.90 = 42,453,604.30/x
  3. Step 3: Cross multiply
    55,367,620.60x = 83,051,430.90 × 42,453,604.30
  4. Step 4: Simplify right side
    55,367,620.60x = 3,525,832,583,977,393
  5. Step 5: Solve for x
    x = 3,525,832,583,977,393/55,367,620.60
  6. Step 6: Final answer
    x = 63,680,406.45

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Similar ratio
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1.5x scale

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.