Home / 378,088,718.30-567,133,077.45-90,874,382.30

Finding the Fourth Proportional to 378,088,718.30, 567,133,077.45 and 90,874,382.30

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Solution

The fourth proportional to 378,088,718.30, 567,133,077.45 and 90,874,382.30 is: 136,311,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,088,718.30 : 567,133,077.45 = 90,874,382.30 : x
  2. Step 2: Convert to fraction form
    378,088,718.30/567,133,077.45 = 90,874,382.30/x
  3. Step 3: Cross multiply
    378,088,718.30x = 567,133,077.45 × 90,874,382.30
  4. Step 4: Simplify right side
    378,088,718.30x = 51,537,868,095,166,808
  5. Step 5: Solve for x
    x = 51,537,868,095,166,808/378,088,718.30
  6. Step 6: Final answer
    x = 136,311,573.45

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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.