Home / 118,942,344.29-163,834,608.33-84,075,090.77

Finding the Fourth Proportional to 118,942,344.29, 163,834,608.33 and 84,075,090.77

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Solution

The fourth proportional to 118,942,344.29, 163,834,608.33 and 84,075,090.77 is: 115,807,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942,344.29 : 163,834,608.33 = 84,075,090.77 : x
  2. Step 2: Convert to fraction form
    118,942,344.29/163,834,608.33 = 84,075,090.77/x
  3. Step 3: Cross multiply
    118,942,344.29x = 163,834,608.33 × 84,075,090.77
  4. Step 4: Simplify right side
    118,942,344.29x = 13,774,409,566,612,148
  5. Step 5: Solve for x
    x = 13,774,409,566,612,148/118,942,344.29
  6. Step 6: Final answer
    x = 115,807,449.81

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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.