Home / 130,507,493.94-180,105,076.86-74,763,687.89

Finding the Fourth Proportional to 130,507,493.94, 180,105,076.86 and 74,763,687.89

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Solution

The fourth proportional to 130,507,493.94, 180,105,076.86 and 74,763,687.89 is: 103,176,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,493.94 : 180,105,076.86 = 74,763,687.89 : x
  2. Step 2: Convert to fraction form
    130,507,493.94/180,105,076.86 = 74,763,687.89/x
  3. Step 3: Cross multiply
    130,507,493.94x = 180,105,076.86 × 74,763,687.89
  4. Step 4: Simplify right side
    130,507,493.94x = 13,465,319,753,935,398
  5. Step 5: Solve for x
    x = 13,465,319,753,935,398/130,507,493.94
  6. Step 6: Final answer
    x = 103,176,601.95

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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.