Home / 128,957,737.10-193,462,134.96-36,842,259.38

Finding the Fourth Proportional to 128,957,737.10, 193,462,134.96 and 36,842,259.38

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Solution

The fourth proportional to 128,957,737.10, 193,462,134.96 and 36,842,259.38 is: 55,270,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,957,737.10 : 193,462,134.96 = 36,842,259.38 : x
  2. Step 2: Convert to fraction form
    128,957,737.10/193,462,134.96 = 36,842,259.38/x
  3. Step 3: Cross multiply
    128,957,737.10x = 193,462,134.96 × 36,842,259.38
  4. Step 4: Simplify right side
    128,957,737.10x = 7,127,582,156,404,887
  5. Step 5: Solve for x
    x = 7,127,582,156,404,887/128,957,737.10
  6. Step 6: Final answer
    x = 55,270,682.60

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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.