Home / 144,586,274.32-199,527,015.66-81,860,753.68

Finding the Fourth Proportional to 144,586,274.32, 199,527,015.66 and 81,860,753.68

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Solution

The fourth proportional to 144,586,274.32, 199,527,015.66 and 81,860,753.68 is: 112,966,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,586,274.32 : 199,527,015.66 = 81,860,753.68 : x
  2. Step 2: Convert to fraction form
    144,586,274.32/199,527,015.66 = 81,860,753.68/x
  3. Step 3: Cross multiply
    144,586,274.32x = 199,527,015.66 × 81,860,753.68
  4. Step 4: Simplify right side
    144,586,274.32x = 16,333,431,881,448,764
  5. Step 5: Solve for x
    x = 16,333,431,881,448,764/144,586,274.32
  6. Step 6: Final answer
    x = 112,966,683.44

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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.