Home / 144,838,959.96-199,881,552.88-78,763,322.74

Finding the Fourth Proportional to 144,838,959.96, 199,881,552.88 and 78,763,322.74

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Solution

The fourth proportional to 144,838,959.96, 199,881,552.88 and 78,763,322.74 is: 108,695,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,838,959.96 : 199,881,552.88 = 78,763,322.74 : x
  2. Step 2: Convert to fraction form
    144,838,959.96/199,881,552.88 = 78,763,322.74/x
  3. Step 3: Cross multiply
    144,838,959.96x = 199,881,552.88 × 78,763,322.74
  4. Step 4: Simplify right side
    144,838,959.96x = 15,743,335,259,259,816
  5. Step 5: Solve for x
    x = 15,743,335,259,259,816/144,838,959.96
  6. Step 6: Final answer
    x = 108,695,445.37

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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.