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Finding the Fourth Proportional to 89,693,860.35, 125,656,435.05 and 89,693,860.35

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Solution

The fourth proportional to 89,693,860.35, 125,656,435.05 and 89,693,860.35 is: 125,656,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693,860.35 : 125,656,435.05 = 89,693,860.35 : x
  2. Step 2: Convert to fraction form
    89,693,860.35/125,656,435.05 = 89,693,860.35/x
  3. Step 3: Cross multiply
    89,693,860.35x = 125,656,435.05 × 89,693,860.35
  4. Step 4: Simplify right side
    89,693,860.35x = 11,270,610,737,453,544
  5. Step 5: Solve for x
    x = 11,270,610,737,453,544/89,693,860.35
  6. Step 6: Final answer
    x = 125,656,435.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.