Home / 130,108,616.12-179,548,215.14-74,353,398.06

Finding the Fourth Proportional to 130,108,616.12, 179,548,215.14 and 74,353,398.06

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Solution

The fourth proportional to 130,108,616.12, 179,548,215.14 and 74,353,398.06 is: 102,606,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108,616.12 : 179,548,215.14 = 74,353,398.06 : x
  2. Step 2: Convert to fraction form
    130,108,616.12/179,548,215.14 = 74,353,398.06/x
  3. Step 3: Cross multiply
    130,108,616.12x = 179,548,215.14 × 74,353,398.06
  4. Step 4: Simplify right side
    130,108,616.12x = 13,350,019,911,266,938
  5. Step 5: Solve for x
    x = 13,350,019,911,266,938/130,108,616.12
  6. Step 6: Final answer
    x = 102,606,732.05

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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.