Home / 76,626,061.20-114,939,091.80-40,220,384.40

Finding the Fourth Proportional to 76,626,061.20, 114,939,091.80 and 40,220,384.40

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Solution

The fourth proportional to 76,626,061.20, 114,939,091.80 and 40,220,384.40 is: 60,330,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626,061.20 : 114,939,091.80 = 40,220,384.40 : x
  2. Step 2: Convert to fraction form
    76,626,061.20/114,939,091.80 = 40,220,384.40/x
  3. Step 3: Cross multiply
    76,626,061.20x = 114,939,091.80 × 40,220,384.40
  4. Step 4: Simplify right side
    76,626,061.20x = 4,622,894,454,782,888
  5. Step 5: Solve for x
    x = 4,622,894,454,782,888/76,626,061.20
  6. Step 6: Final answer
    x = 60,330,576.60

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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.