Home / 189,429,410-261,412,585.80-102,509,282

Finding the Fourth Proportional to 189,429,410, 261,412,585.80 and 102,509,282

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Solution

The fourth proportional to 189,429,410, 261,412,585.80 and 102,509,282 is: 141,462,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,429,410 : 261,412,585.80 = 102,509,282 : x
  2. Step 2: Convert to fraction form
    189,429,410/261,412,585.80 = 102,509,282/x
  3. Step 3: Cross multiply
    189,429,410x = 261,412,585.80 × 102,509,282
  4. Step 4: Simplify right side
    189,429,410x = 26,797,216,476,121,396
  5. Step 5: Solve for x
    x = 26,797,216,476,121,396/189,429,410
  6. Step 6: Final answer
    x = 141,462,809.16

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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.