Home / 72,426,693.60-108,640,040.40-34,162,941.60

Finding the Fourth Proportional to 72,426,693.60, 108,640,040.40 and 34,162,941.60

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Solution

The fourth proportional to 72,426,693.60, 108,640,040.40 and 34,162,941.60 is: 51,244,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,426,693.60 : 108,640,040.40 = 34,162,941.60 : x
  2. Step 2: Convert to fraction form
    72,426,693.60/108,640,040.40 = 34,162,941.60/x
  3. Step 3: Cross multiply
    72,426,693.60x = 108,640,040.40 × 34,162,941.60
  4. Step 4: Simplify right side
    72,426,693.60x = 3,711,463,355,606,841
  5. Step 5: Solve for x
    x = 3,711,463,355,606,841/72,426,693.60
  6. Step 6: Final answer
    x = 51,244,412.40

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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.