Home / 189,154,601.47-261,033,232.12-102,234,473.47

Finding the Fourth Proportional to 189,154,601.47, 261,033,232.12 and 102,234,473.47

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Solution

The fourth proportional to 189,154,601.47, 261,033,232.12 and 102,234,473.47 is: 141,083,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154,601.47 : 261,033,232.12 = 102,234,473.47 : x
  2. Step 2: Convert to fraction form
    189,154,601.47/261,033,232.12 = 102,234,473.47/x
  3. Step 3: Cross multiply
    189,154,601.47x = 261,033,232.12 × 102,234,473.47
  4. Step 4: Simplify right side
    189,154,601.47x = 26,686,595,043,960,492
  5. Step 5: Solve for x
    x = 26,686,595,043,960,492/189,154,601.47
  6. Step 6: Final answer
    x = 141,083,509.66

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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.