Home / 54,967,434.58-75,884,509.02-42,380,999.56

Finding the Fourth Proportional to 54,967,434.58, 75,884,509.02 and 42,380,999.56

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Solution

The fourth proportional to 54,967,434.58, 75,884,509.02 and 42,380,999.56 is: 58,508,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,967,434.58 : 75,884,509.02 = 42,380,999.56 : x
  2. Step 2: Convert to fraction form
    54,967,434.58/75,884,509.02 = 42,380,999.56/x
  3. Step 3: Cross multiply
    54,967,434.58x = 75,884,509.02 × 42,380,999.56
  4. Step 4: Simplify right side
    54,967,434.58x = 3,216,061,343,387,436
  5. Step 5: Solve for x
    x = 3,216,061,343,387,436/54,967,434.58
  6. Step 6: Final answer
    x = 58,508,485.40

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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.