Home / 55,541,521.24-76,642,750.53-31,699,030.86

Finding the Fourth Proportional to 55,541,521.24, 76,642,750.53 and 31,699,030.86

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Solution

The fourth proportional to 55,541,521.24, 76,642,750.53 and 31,699,030.86 is: 43,742,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541,521.24 : 76,642,750.53 = 31,699,030.86 : x
  2. Step 2: Convert to fraction form
    55,541,521.24/76,642,750.53 = 31,699,030.86/x
  3. Step 3: Cross multiply
    55,541,521.24x = 76,642,750.53 × 31,699,030.86
  4. Step 4: Simplify right side
    55,541,521.24x = 2,429,500,914,245,751.50
  5. Step 5: Solve for x
    x = 2,429,500,914,245,751.50/55,541,521.24
  6. Step 6: Final answer
    x = 43,742,066.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.