Home / 121,247,876.16-181,749,238.56-52,205,705.28

Finding the Fourth Proportional to 121,247,876.16, 181,749,238.56 and 52,205,705.28

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Solution

The fourth proportional to 121,247,876.16, 181,749,238.56 and 52,205,705.28 is: 78,255,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,247,876.16 : 181,749,238.56 = 52,205,705.28 : x
  2. Step 2: Convert to fraction form
    121,247,876.16/181,749,238.56 = 52,205,705.28/x
  3. Step 3: Cross multiply
    121,247,876.16x = 181,749,238.56 × 52,205,705.28
  4. Step 4: Simplify right side
    121,247,876.16x = 9,488,347,183,127,772
  5. Step 5: Solve for x
    x = 9,488,347,183,127,772/121,247,876.16
  6. Step 6: Final answer
    x = 78,255,780.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.