Home / 130,108,643.16-179,548,252.47-74,353,425.09

Finding the Fourth Proportional to 130,108,643.16, 179,548,252.47 and 74,353,425.09

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Solution

The fourth proportional to 130,108,643.16, 179,548,252.47 and 74,353,425.09 is: 102,606,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108,643.16 : 179,548,252.47 = 74,353,425.09 : x
  2. Step 2: Convert to fraction form
    130,108,643.16/179,548,252.47 = 74,353,425.09/x
  3. Step 3: Cross multiply
    130,108,643.16x = 179,548,252.47 × 74,353,425.09
  4. Step 4: Simplify right side
    130,108,643.16x = 13,350,027,540,068,554
  5. Step 5: Solve for x
    x = 13,350,027,540,068,554/130,108,643.16
  6. Step 6: Final answer
    x = 102,606,769.36

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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.