Home / 130,166,309.24-179,632,250.28-71,428,460.48

Finding the Fourth Proportional to 130,166,309.24, 179,632,250.28 and 71,428,460.48

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Solution

The fourth proportional to 130,166,309.24, 179,632,250.28 and 71,428,460.48 is: 98,572,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,166,309.24 : 179,632,250.28 = 71,428,460.48 : x
  2. Step 2: Convert to fraction form
    130,166,309.24/179,632,250.28 = 71,428,460.48/x
  3. Step 3: Cross multiply
    130,166,309.24x = 179,632,250.28 × 71,428,460.48
  4. Step 4: Simplify right side
    130,166,309.24x = 12,830,855,090,058,450
  5. Step 5: Solve for x
    x = 12,830,855,090,058,450/130,166,309.24
  6. Step 6: Final answer
    x = 98,572,780.97

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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.