Home / 130,108,711.66-179,548,347-74,353,493.68

Finding the Fourth Proportional to 130,108,711.66, 179,548,347 and 74,353,493.68

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Solution

The fourth proportional to 130,108,711.66, 179,548,347 and 74,353,493.68 is: 102,606,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108,711.66 : 179,548,347 = 74,353,493.68 : x
  2. Step 2: Convert to fraction form
    130,108,711.66/179,548,347 = 74,353,493.68/x
  3. Step 3: Cross multiply
    130,108,711.66x = 179,548,347 × 74,353,493.68
  4. Step 4: Simplify right side
    130,108,711.66x = 13,350,046,883,918,948
  5. Step 5: Solve for x
    x = 13,350,046,883,918,948/130,108,711.66
  6. Step 6: Final answer
    x = 102,606,864.01

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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.