Home / 128,716,966.20-193,075,449.30-59,629,636.20

Finding the Fourth Proportional to 128,716,966.20, 193,075,449.30 and 59,629,636.20

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Solution

The fourth proportional to 128,716,966.20, 193,075,449.30 and 59,629,636.20 is: 89,444,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,716,966.20 : 193,075,449.30 = 59,629,636.20 : x
  2. Step 2: Convert to fraction form
    128,716,966.20/193,075,449.30 = 59,629,636.20/x
  3. Step 3: Cross multiply
    128,716,966.20x = 193,075,449.30 × 59,629,636.20
  4. Step 4: Simplify right side
    128,716,966.20x = 11,513,018,800,910,546
  5. Step 5: Solve for x
    x = 11,513,018,800,910,546/128,716,966.20
  6. Step 6: Final answer
    x = 89,444,454.30

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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.