Home / 66,430,810.80-99,646,216.20-30,599,002.80

Finding the Fourth Proportional to 66,430,810.80, 99,646,216.20 and 30,599,002.80

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Solution

The fourth proportional to 66,430,810.80, 99,646,216.20 and 30,599,002.80 is: 45,898,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,810.80 : 99,646,216.20 = 30,599,002.80 : x
  2. Step 2: Convert to fraction form
    66,430,810.80/99,646,216.20 = 30,599,002.80/x
  3. Step 3: Cross multiply
    66,430,810.80x = 99,646,216.20 × 30,599,002.80
  4. Step 4: Simplify right side
    66,430,810.80x = 3,049,074,848,513,205.50
  5. Step 5: Solve for x
    x = 3,049,074,848,513,205.50/66,430,810.80
  6. Step 6: Final answer
    x = 45,898,504.20

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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.