Home / 130,219,835.17-179,702,663.06-71,483,499.63

Finding the Fourth Proportional to 130,219,835.17, 179,702,663.06 and 71,483,499.63

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Solution

The fourth proportional to 130,219,835.17, 179,702,663.06 and 71,483,499.63 is: 98,646,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,835.17 : 179,702,663.06 = 71,483,499.63 : x
  2. Step 2: Convert to fraction form
    130,219,835.17/179,702,663.06 = 71,483,499.63/x
  3. Step 3: Cross multiply
    130,219,835.17x = 179,702,663.06 × 71,483,499.63
  4. Step 4: Simplify right side
    130,219,835.17x = 12,845,775,248,359,524
  5. Step 5: Solve for x
    x = 12,845,775,248,359,524/130,219,835.17
  6. Step 6: Final answer
    x = 98,646,840.03

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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.