Home / 91,503,148.40-137,254,722.60-30,917,999.60

Finding the Fourth Proportional to 91,503,148.40, 137,254,722.60 and 30,917,999.60

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Solution

The fourth proportional to 91,503,148.40, 137,254,722.60 and 30,917,999.60 is: 46,376,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,503,148.40 : 137,254,722.60 = 30,917,999.60 : x
  2. Step 2: Convert to fraction form
    91,503,148.40/137,254,722.60 = 30,917,999.60/x
  3. Step 3: Cross multiply
    91,503,148.40x = 137,254,722.60 × 30,917,999.60
  4. Step 4: Simplify right side
    91,503,148.40x = 4,243,641,458,444,911
  5. Step 5: Solve for x
    x = 4,243,641,458,444,911/91,503,148.40
  6. Step 6: Final answer
    x = 46,376,999.40

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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.