Home / 154,009,283.53-212,543,238.77-87,005,002.48

Finding the Fourth Proportional to 154,009,283.53, 212,543,238.77 and 87,005,002.48

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Solution

The fourth proportional to 154,009,283.53, 212,543,238.77 and 87,005,002.48 is: 120,072,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,009,283.53 : 212,543,238.77 = 87,005,002.48 : x
  2. Step 2: Convert to fraction form
    154,009,283.53/212,543,238.77 = 87,005,002.48/x
  3. Step 3: Cross multiply
    154,009,283.53x = 212,543,238.77 × 87,005,002.48
  4. Step 4: Simplify right side
    154,009,283.53x = 18,492,325,016,291,084
  5. Step 5: Solve for x
    x = 18,492,325,016,291,084/154,009,283.53
  6. Step 6: Final answer
    x = 120,072,794.27

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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.