Home / 154,267,000.41-212,888,155.46-83,702,587.62

Finding the Fourth Proportional to 154,267,000.41, 212,888,155.46 and 83,702,587.62

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Solution

The fourth proportional to 154,267,000.41, 212,888,155.46 and 83,702,587.62 is: 115,509,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,267,000.41 : 212,888,155.46 = 83,702,587.62 : x
  2. Step 2: Convert to fraction form
    154,267,000.41/212,888,155.46 = 83,702,587.62/x
  3. Step 3: Cross multiply
    154,267,000.41x = 212,888,155.46 × 83,702,587.62
  4. Step 4: Simplify right side
    154,267,000.41x = 17,819,289,485,232,320
  5. Step 5: Solve for x
    x = 17,819,289,485,232,320/154,267,000.41
  6. Step 6: Final answer
    x = 115,509,405.37

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1.5x scale

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.