Home / 43,063,219.80-64,607,271.30-12,771,811.80

Finding the Fourth Proportional to 43,063,219.80, 64,607,271.30 and 12,771,811.80

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Solution

The fourth proportional to 43,063,219.80, 64,607,271.30 and 12,771,811.80 is: 19,161,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,063,219.80 : 64,607,271.30 = 12,771,811.80 : x
  2. Step 2: Convert to fraction form
    43,063,219.80/64,607,271.30 = 12,771,811.80/x
  3. Step 3: Cross multiply
    43,063,219.80x = 64,607,271.30 × 12,771,811.80
  4. Step 4: Simplify right side
    43,063,219.80x = 825,151,909,955,141.38
  5. Step 5: Solve for x
    x = 825,151,909,955,141.38/43,063,219.80
  6. Step 6: Final answer
    x = 19,161,407.66

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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.