Home / 160,300,629.68-221,196,206.40-89,740,103.68

Finding the Fourth Proportional to 160,300,629.68, 221,196,206.40 and 89,740,103.68

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Solution

The fourth proportional to 160,300,629.68, 221,196,206.40 and 89,740,103.68 is: 123,830,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,300,629.68 : 221,196,206.40 = 89,740,103.68 : x
  2. Step 2: Convert to fraction form
    160,300,629.68/221,196,206.40 = 89,740,103.68/x
  3. Step 3: Cross multiply
    160,300,629.68x = 221,196,206.40 × 89,740,103.68
  4. Step 4: Simplify right side
    160,300,629.68x = 19,850,170,495,958,680
  5. Step 5: Solve for x
    x = 19,850,170,495,958,680/160,300,629.68
  6. Step 6: Final answer
    x = 123,830,895.33

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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.