Home / 130,219,835.67-179,702,663.75-71,483,500.13

Finding the Fourth Proportional to 130,219,835.67, 179,702,663.75 and 71,483,500.13

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Solution

The fourth proportional to 130,219,835.67, 179,702,663.75 and 71,483,500.13 is: 98,646,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,835.67 : 179,702,663.75 = 71,483,500.13 : x
  2. Step 2: Convert to fraction form
    130,219,835.67/179,702,663.75 = 71,483,500.13/x
  3. Step 3: Cross multiply
    130,219,835.67x = 179,702,663.75 × 71,483,500.13
  4. Step 4: Simplify right side
    130,219,835.67x = 12,845,775,386,278,540
  5. Step 5: Solve for x
    x = 12,845,775,386,278,540/130,219,835.67
  6. Step 6: Final answer
    x = 98,646,840.71

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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.