Home / 130,219,835.30-179,702,663.23-71,483,499.75

Finding the Fourth Proportional to 130,219,835.30, 179,702,663.23 and 71,483,499.75

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Solution

The fourth proportional to 130,219,835.30, 179,702,663.23 and 71,483,499.75 is: 98,646,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,835.30 : 179,702,663.23 = 71,483,499.75 : x
  2. Step 2: Convert to fraction form
    130,219,835.30/179,702,663.23 = 71,483,499.75/x
  3. Step 3: Cross multiply
    130,219,835.30x = 179,702,663.23 × 71,483,499.75
  4. Step 4: Simplify right side
    130,219,835.30x = 12,845,775,282,839,278
  5. Step 5: Solve for x
    x = 12,845,775,282,839,278/130,219,835.30
  6. Step 6: Final answer
    x = 98,646,840.19

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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.