Home / 30,502,151.13-42,092,815.59-16,563,381.74

Finding the Fourth Proportional to 30,502,151.13, 42,092,815.59 and 16,563,381.74

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Solution

The fourth proportional to 30,502,151.13, 42,092,815.59 and 16,563,381.74 is: 22,857,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,151.13 : 42,092,815.59 = 16,563,381.74 : x
  2. Step 2: Convert to fraction form
    30,502,151.13/42,092,815.59 = 16,563,381.74/x
  3. Step 3: Cross multiply
    30,502,151.13x = 42,092,815.59 × 16,563,381.74
  4. Step 4: Simplify right side
    30,502,151.13x = 697,199,373,312,749.50
  5. Step 5: Solve for x
    x = 697,199,373,312,749.50/30,502,151.13
  6. Step 6: Final answer
    x = 22,857,383.74

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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.