Home / 112,970,157.18-169,389,392.94-43,802,155.14

Finding the Fourth Proportional to 112,970,157.18, 169,389,392.94 and 43,802,155.14

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Solution

The fourth proportional to 112,970,157.18, 169,389,392.94 and 43,802,155.14 is: 65,677,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,970,157.18 : 169,389,392.94 = 43,802,155.14 : x
  2. Step 2: Convert to fraction form
    112,970,157.18/169,389,392.94 = 43,802,155.14/x
  3. Step 3: Cross multiply
    112,970,157.18x = 169,389,392.94 × 43,802,155.14
  4. Step 4: Simplify right side
    112,970,157.18x = 7,419,620,468,628,301
  5. Step 5: Solve for x
    x = 7,419,620,468,628,301/112,970,157.18
  6. Step 6: Final answer
    x = 65,677,703.33

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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.