Home / 400,186,702.12-600,172,059.12-141,367,849.24

Finding the Fourth Proportional to 400,186,702.12, 600,172,059.12 and 141,367,849.24

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Solution

The fourth proportional to 400,186,702.12, 600,172,059.12 and 141,367,849.24 is: 212,013,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,186,702.12 : 600,172,059.12 = 141,367,849.24 : x
  2. Step 2: Convert to fraction form
    400,186,702.12/600,172,059.12 = 141,367,849.24/x
  3. Step 3: Cross multiply
    400,186,702.12x = 600,172,059.12 × 141,367,849.24
  4. Step 4: Simplify right side
    400,186,702.12x = 84,845,033,171,736,528
  5. Step 5: Solve for x
    x = 84,845,033,171,736,528/400,186,702.12
  6. Step 6: Final answer
    x = 212,013,624.45

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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.