Home / 445,824,021.20-668,736,031.80-118,298,901.20

Finding the Fourth Proportional to 445,824,021.20, 668,736,031.80 and 118,298,901.20

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Solution

The fourth proportional to 445,824,021.20, 668,736,031.80 and 118,298,901.20 is: 177,448,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,021.20 : 668,736,031.80 = 118,298,901.20 : x
  2. Step 2: Convert to fraction form
    445,824,021.20/668,736,031.80 = 118,298,901.20/x
  3. Step 3: Cross multiply
    445,824,021.20x = 668,736,031.80 × 118,298,901.20
  4. Step 4: Simplify right side
    445,824,021.20x = 79,110,737,754,788,256
  5. Step 5: Solve for x
    x = 79,110,737,754,788,256/445,824,021.20
  6. Step 6: Final answer
    x = 177,448,351.80

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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.