Home / 74,367,710.04-111,542,678.52-19,784,287

Finding the Fourth Proportional to 74,367,710.04, 111,542,678.52 and 19,784,287

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Solution

The fourth proportional to 74,367,710.04, 111,542,678.52 and 19,784,287 is: 29,674,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367,710.04 : 111,542,678.52 = 19,784,287 : x
  2. Step 2: Convert to fraction form
    74,367,710.04/111,542,678.52 = 19,784,287/x
  3. Step 3: Cross multiply
    74,367,710.04x = 111,542,678.52 × 19,784,287
  4. Step 4: Simplify right side
    74,367,710.04x = 2,206,792,364,588,415.25
  5. Step 5: Solve for x
    x = 2,206,792,364,588,415.25/74,367,710.04
  6. Step 6: Final answer
    x = 29,674,066.38

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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.