Home / 120,976,688.40-181,465,032.60-40,197,656.40

Finding the Fourth Proportional to 120,976,688.40, 181,465,032.60 and 40,197,656.40

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Solution

The fourth proportional to 120,976,688.40, 181,465,032.60 and 40,197,656.40 is: 60,296,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,976,688.40 : 181,465,032.60 = 40,197,656.40 : x
  2. Step 2: Convert to fraction form
    120,976,688.40/181,465,032.60 = 40,197,656.40/x
  3. Step 3: Cross multiply
    120,976,688.40x = 181,465,032.60 × 40,197,656.40
  4. Step 4: Simplify right side
    120,976,688.40x = 7,294,469,029,069,598
  5. Step 5: Solve for x
    x = 7,294,469,029,069,598/120,976,688.40
  6. Step 6: Final answer
    x = 60,296,484.60

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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.