Home / 118,845,695.88-163,967,856.12-71,785,185.12

Finding the Fourth Proportional to 118,845,695.88, 163,967,856.12 and 71,785,185.12

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Solution

The fourth proportional to 118,845,695.88, 163,967,856.12 and 71,785,185.12 is: 99,039,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,845,695.88 : 163,967,856.12 = 71,785,185.12 : x
  2. Step 2: Convert to fraction form
    118,845,695.88/163,967,856.12 = 71,785,185.12/x
  3. Step 3: Cross multiply
    118,845,695.88x = 163,967,856.12 × 71,785,185.12
  4. Step 4: Simplify right side
    118,845,695.88x = 11,770,462,905,303,726
  5. Step 5: Solve for x
    x = 11,770,462,905,303,726/118,845,695.88
  6. Step 6: Final answer
    x = 99,039,875.35

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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.