Home / 71,139,027.61-98,133,989.09-43,270,261.57

Finding the Fourth Proportional to 71,139,027.61, 98,133,989.09 and 43,270,261.57

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Solution

The fourth proportional to 71,139,027.61, 98,133,989.09 and 43,270,261.57 is: 59,689,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,139,027.61 : 98,133,989.09 = 43,270,261.57 : x
  2. Step 2: Convert to fraction form
    71,139,027.61/98,133,989.09 = 43,270,261.57/x
  3. Step 3: Cross multiply
    71,139,027.61x = 98,133,989.09 × 43,270,261.57
  4. Step 4: Simplify right side
    71,139,027.61x = 4,246,283,376,615,474.50
  5. Step 5: Solve for x
    x = 4,246,283,376,615,474.50/71,139,027.61
  6. Step 6: Final answer
    x = 59,689,927.16

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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.