Home / 445,824,020.20-668,736,030.30-118,298,900.20

Finding the Fourth Proportional to 445,824,020.20, 668,736,030.30 and 118,298,900.20

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Solution

The fourth proportional to 445,824,020.20, 668,736,030.30 and 118,298,900.20 is: 177,448,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,020.20 : 668,736,030.30 = 118,298,900.20 : x
  2. Step 2: Convert to fraction form
    445,824,020.20/668,736,030.30 = 118,298,900.20/x
  3. Step 3: Cross multiply
    445,824,020.20x = 668,736,030.30 × 118,298,900.20
  4. Step 4: Simplify right side
    445,824,020.20x = 79,110,736,908,603,872
  5. Step 5: Solve for x
    x = 79,110,736,908,603,872/445,824,020.20
  6. Step 6: Final answer
    x = 177,448,350.30

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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.