Home / 56,885,524.08-78,501,806.28-30,780,092.40

Finding the Fourth Proportional to 56,885,524.08, 78,501,806.28 and 30,780,092.40

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Solution

The fourth proportional to 56,885,524.08, 78,501,806.28 and 30,780,092.40 is: 42,476,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885,524.08 : 78,501,806.28 = 30,780,092.40 : x
  2. Step 2: Convert to fraction form
    56,885,524.08/78,501,806.28 = 30,780,092.40/x
  3. Step 3: Cross multiply
    56,885,524.08x = 78,501,806.28 × 30,780,092.40
  4. Step 4: Simplify right side
    56,885,524.08x = 2,416,292,850,865,300
  5. Step 5: Solve for x
    x = 2,416,292,850,865,300/56,885,524.08
  6. Step 6: Final answer
    x = 42,476,410.12

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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.