Home / 56,886,323.22-78,502,537.17-30,780,265.14

Finding the Fourth Proportional to 56,886,323.22, 78,502,537.17 and 30,780,265.14

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Solution

The fourth proportional to 56,886,323.22, 78,502,537.17 and 30,780,265.14 is: 42,476,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,886,323.22 : 78,502,537.17 = 30,780,265.14 : x
  2. Step 2: Convert to fraction form
    56,886,323.22/78,502,537.17 = 30,780,265.14/x
  3. Step 3: Cross multiply
    56,886,323.22x = 78,502,537.17 × 30,780,265.14
  4. Step 4: Simplify right side
    56,886,323.22x = 2,416,328,908,255,305.50
  5. Step 5: Solve for x
    x = 2,416,328,908,255,305.50/56,886,323.22
  6. Step 6: Final answer
    x = 42,476,447.26

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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.