Home / 78,136,444.88-117,221,465.64-26,326,196

Finding the Fourth Proportional to 78,136,444.88, 117,221,465.64 and 26,326,196

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Solution

The fourth proportional to 78,136,444.88, 117,221,465.64 and 26,326,196 is: 39,494,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,136,444.88 : 117,221,465.64 = 26,326,196 : x
  2. Step 2: Convert to fraction form
    78,136,444.88/117,221,465.64 = 26,326,196/x
  3. Step 3: Cross multiply
    78,136,444.88x = 117,221,465.64 × 26,326,196
  4. Step 4: Simplify right side
    78,136,444.88x = 3,085,995,279,845,905.50
  5. Step 5: Solve for x
    x = 3,085,995,279,845,905.50/78,136,444.88
  6. Step 6: Final answer
    x = 39,494,953.79

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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.