Home / 189,816,828.84-284,666,952.72-66,966,416.38

Finding the Fourth Proportional to 189,816,828.84, 284,666,952.72 and 66,966,416.38

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Solution

The fourth proportional to 189,816,828.84, 284,666,952.72 and 66,966,416.38 is: 100,429,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,816,828.84 : 284,666,952.72 = 66,966,416.38 : x
  2. Step 2: Convert to fraction form
    189,816,828.84/284,666,952.72 = 66,966,416.38/x
  3. Step 3: Cross multiply
    189,816,828.84x = 284,666,952.72 × 66,966,416.38
  4. Step 4: Simplify right side
    189,816,828.84x = 19,063,125,686,079,012
  5. Step 5: Solve for x
    x = 19,063,125,686,079,012/189,816,828.84
  6. Step 6: Final answer
    x = 100,429,059.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.