Home / 52,121,205.60-71,934,695.64-30,090,300.72

Finding the Fourth Proportional to 52,121,205.60, 71,934,695.64 and 30,090,300.72

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Solution

The fourth proportional to 52,121,205.60, 71,934,695.64 and 30,090,300.72 is: 41,528,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121,205.60 : 71,934,695.64 = 30,090,300.72 : x
  2. Step 2: Convert to fraction form
    52,121,205.60/71,934,695.64 = 30,090,300.72/x
  3. Step 3: Cross multiply
    52,121,205.60x = 71,934,695.64 × 30,090,300.72
  4. Step 4: Simplify right side
    52,121,205.60x = 2,164,536,624,009,272.75
  5. Step 5: Solve for x
    x = 2,164,536,624,009,272.75/52,121,205.60
  6. Step 6: Final answer
    x = 41,528,905.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.