Home / 55,539,168.30-76,572,833.01-43,128,205.74

Finding the Fourth Proportional to 55,539,168.30, 76,572,833.01 and 43,128,205.74

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Solution

The fourth proportional to 55,539,168.30, 76,572,833.01 and 43,128,205.74 is: 59,461,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539,168.30 : 76,572,833.01 = 43,128,205.74 : x
  2. Step 2: Convert to fraction form
    55,539,168.30/76,572,833.01 = 43,128,205.74/x
  3. Step 3: Cross multiply
    55,539,168.30x = 76,572,833.01 × 43,128,205.74
  4. Step 4: Simplify right side
    55,539,168.30x = 3,302,448,896,149,944
  5. Step 5: Solve for x
    x = 3,302,448,896,149,944/55,539,168.30
  6. Step 6: Final answer
    x = 59,461,619.56

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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.