Home / 130,680,340.80-196,020,511.20-124,303,048.80

Finding the Fourth Proportional to 130,680,340.80, 196,020,511.20 and 124,303,048.80

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Solution

The fourth proportional to 130,680,340.80, 196,020,511.20 and 124,303,048.80 is: 186,454,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680,340.80 : 196,020,511.20 = 124,303,048.80 : x
  2. Step 2: Convert to fraction form
    130,680,340.80/196,020,511.20 = 124,303,048.80/x
  3. Step 3: Cross multiply
    130,680,340.80x = 196,020,511.20 × 124,303,048.80
  4. Step 4: Simplify right side
    130,680,340.80x = 24,365,947,169,494,544
  5. Step 5: Solve for x
    x = 24,365,947,169,494,544/130,680,340.80
  6. Step 6: Final answer
    x = 186,454,573.20

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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.