Home / 72,506,776.35-108,760,164.53-41,853,784.35

Finding the Fourth Proportional to 72,506,776.35, 108,760,164.53 and 41,853,784.35

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Solution

The fourth proportional to 72,506,776.35, 108,760,164.53 and 41,853,784.35 is: 62,780,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,506,776.35 : 108,760,164.53 = 41,853,784.35 : x
  2. Step 2: Convert to fraction form
    72,506,776.35/108,760,164.53 = 41,853,784.35/x
  3. Step 3: Cross multiply
    72,506,776.35x = 108,760,164.53 × 41,853,784.35
  4. Step 4: Simplify right side
    72,506,776.35x = 4,552,024,471,899,871
  5. Step 5: Solve for x
    x = 4,552,024,471,899,871/72,506,776.35
  6. Step 6: Final answer
    x = 62,780,676.53

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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.