Home / 112,140,136.60-167,944,784.10-76,042,907.80

Finding the Fourth Proportional to 112,140,136.60, 167,944,784.10 and 76,042,907.80

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Solution

The fourth proportional to 112,140,136.60, 167,944,784.10 and 76,042,907.80 is: 113,884,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,140,136.60 : 167,944,784.10 = 76,042,907.80 : x
  2. Step 2: Convert to fraction form
    112,140,136.60/167,944,784.10 = 76,042,907.80/x
  3. Step 3: Cross multiply
    112,140,136.60x = 167,944,784.10 × 76,042,907.80
  4. Step 4: Simplify right side
    112,140,136.60x = 12,771,009,732,807,206
  5. Step 5: Solve for x
    x = 12,771,009,732,807,206/112,140,136.60
  6. Step 6: Final answer
    x = 113,884,378.24

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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.