Home / 118,371,346.40-177,557,019.60-75,430,913.60

Finding the Fourth Proportional to 118,371,346.40, 177,557,019.60 and 75,430,913.60

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Solution

The fourth proportional to 118,371,346.40, 177,557,019.60 and 75,430,913.60 is: 113,146,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,371,346.40 : 177,557,019.60 = 75,430,913.60 : x
  2. Step 2: Convert to fraction form
    118,371,346.40/177,557,019.60 = 75,430,913.60/x
  3. Step 3: Cross multiply
    118,371,346.40x = 177,557,019.60 × 75,430,913.60
  4. Step 4: Simplify right side
    118,371,346.40x = 13,393,288,204,521,106
  5. Step 5: Solve for x
    x = 13,393,288,204,521,106/118,371,346.40
  6. Step 6: Final answer
    x = 113,146,370.40

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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.