Home / 76,621,127.20-114,964,868.40-36,210,810.40

Finding the Fourth Proportional to 76,621,127.20, 114,964,868.40 and 36,210,810.40

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Solution

The fourth proportional to 76,621,127.20, 114,964,868.40 and 36,210,810.40 is: 54,331,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621,127.20 : 114,964,868.40 = 36,210,810.40 : x
  2. Step 2: Convert to fraction form
    76,621,127.20/114,964,868.40 = 36,210,810.40/x
  3. Step 3: Cross multiply
    76,621,127.20x = 114,964,868.40 × 36,210,810.40
  4. Step 4: Simplify right side
    76,621,127.20x = 4,162,971,052,293,351.50
  5. Step 5: Solve for x
    x = 4,162,971,052,293,351.50/76,621,127.20
  6. Step 6: Final answer
    x = 54,331,895.19

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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.