Home / 30,502,146.92-42,092,809.78-16,563,377.51

Finding the Fourth Proportional to 30,502,146.92, 42,092,809.78 and 16,563,377.51

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Solution

The fourth proportional to 30,502,146.92, 42,092,809.78 and 16,563,377.51 is: 22,857,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,146.92 : 42,092,809.78 = 16,563,377.51 : x
  2. Step 2: Convert to fraction form
    30,502,146.92/42,092,809.78 = 16,563,377.51/x
  3. Step 3: Cross multiply
    30,502,146.92x = 42,092,809.78 × 16,563,377.51
  4. Step 4: Simplify right side
    30,502,146.92x = 697,199,098,972,687.50
  5. Step 5: Solve for x
    x = 697,199,098,972,687.50/30,502,146.92
  6. Step 6: Final answer
    x = 22,857,377.90

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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.