Home / 354,985,616.58-532,535,642.40-109,342,137.16

Finding the Fourth Proportional to 354,985,616.58, 532,535,642.40 and 109,342,137.16

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Solution

The fourth proportional to 354,985,616.58, 532,535,642.40 and 109,342,137.16 is: 164,030,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,985,616.58 : 532,535,642.40 = 109,342,137.16 : x
  2. Step 2: Convert to fraction form
    354,985,616.58/532,535,642.40 = 109,342,137.16/x
  3. Step 3: Cross multiply
    354,985,616.58x = 532,535,642.40 × 109,342,137.16
  4. Step 4: Simplify right side
    354,985,616.58x = 58,228,585,254,965,208
  5. Step 5: Solve for x
    x = 58,228,585,254,965,208/354,985,616.58
  6. Step 6: Final answer
    x = 164,030,829.80

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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.