Home / 90,081,281.34-123,977,064.96-74,273,864.04

Finding the Fourth Proportional to 90,081,281.34, 123,977,064.96 and 74,273,864.04

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Solution

The fourth proportional to 90,081,281.34, 123,977,064.96 and 74,273,864.04 is: 102,221,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,081,281.34 : 123,977,064.96 = 74,273,864.04 : x
  2. Step 2: Convert to fraction form
    90,081,281.34/123,977,064.96 = 74,273,864.04/x
  3. Step 3: Cross multiply
    90,081,281.34x = 123,977,064.96 × 74,273,864.04
  4. Step 4: Simplify right side
    90,081,281.34x = 9,208,255,666,917,288
  5. Step 5: Solve for x
    x = 9,208,255,666,917,288/90,081,281.34
  6. Step 6: Final answer
    x = 102,221,632.84

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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.