Home / 130,219,838.17-179,702,667.19-71,483,502.63

Finding the Fourth Proportional to 130,219,838.17, 179,702,667.19 and 71,483,502.63

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Solution

The fourth proportional to 130,219,838.17, 179,702,667.19 and 71,483,502.63 is: 98,646,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,838.17 : 179,702,667.19 = 71,483,502.63 : x
  2. Step 2: Convert to fraction form
    130,219,838.17/179,702,667.19 = 71,483,502.63/x
  3. Step 3: Cross multiply
    130,219,838.17x = 179,702,667.19 × 71,483,502.63
  4. Step 4: Simplify right side
    130,219,838.17x = 12,845,776,082,694,378
  5. Step 5: Solve for x
    x = 12,845,776,082,694,378/130,219,838.17
  6. Step 6: Final answer
    x = 98,646,844.16

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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.