Home / 78,568,404.98-117,779,326.79-26,717,575.14

Finding the Fourth Proportional to 78,568,404.98, 117,779,326.79 and 26,717,575.14

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Solution

The fourth proportional to 78,568,404.98, 117,779,326.79 and 26,717,575.14 is: 40,051,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,568,404.98 : 117,779,326.79 = 26,717,575.14 : x
  2. Step 2: Convert to fraction form
    78,568,404.98/117,779,326.79 = 26,717,575.14/x
  3. Step 3: Cross multiply
    78,568,404.98x = 117,779,326.79 × 26,717,575.14
  4. Step 4: Simplify right side
    78,568,404.98x = 3,146,778,013,316,852
  5. Step 5: Solve for x
    x = 3,146,778,013,316,852/78,568,404.98
  6. Step 6: Final answer
    x = 40,051,443.25

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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.