Home / 445,844,465.40-668,766,698.10-118,370,521.20

Finding the Fourth Proportional to 445,844,465.40, 668,766,698.10 and 118,370,521.20

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Solution

The fourth proportional to 445,844,465.40, 668,766,698.10 and 118,370,521.20 is: 177,555,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,844,465.40 : 668,766,698.10 = 118,370,521.20 : x
  2. Step 2: Convert to fraction form
    445,844,465.40/668,766,698.10 = 118,370,521.20/x
  3. Step 3: Cross multiply
    445,844,465.40x = 668,766,698.10 × 118,370,521.20
  4. Step 4: Simplify right side
    445,844,465.40x = 79,162,262,615,300,048
  5. Step 5: Solve for x
    x = 79,162,262,615,300,048/445,844,465.40
  6. Step 6: Final answer
    x = 177,555,781.80

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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.