Home / 175,480,929.30-263,122,989.86-120,211,211.10

Finding the Fourth Proportional to 175,480,929.30, 263,122,989.86 and 120,211,211.10

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Solution

The fourth proportional to 175,480,929.30, 263,122,989.86 and 120,211,211.10 is: 180,249,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,480,929.30 : 263,122,989.86 = 120,211,211.10 : x
  2. Step 2: Convert to fraction form
    175,480,929.30/263,122,989.86 = 120,211,211.10/x
  3. Step 3: Cross multiply
    175,480,929.30x = 263,122,989.86 × 120,211,211.10
  4. Step 4: Simplify right side
    175,480,929.30x = 31,630,333,279,323,620
  5. Step 5: Solve for x
    x = 31,630,333,279,323,620/175,480,929.30
  6. Step 6: Final answer
    x = 180,249,406.05

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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.