Home / 135,403,727.78-202,963,835.66-56,665,347.76

Finding the Fourth Proportional to 135,403,727.78, 202,963,835.66 and 56,665,347.76

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Solution

The fourth proportional to 135,403,727.78, 202,963,835.66 and 56,665,347.76 is: 84,938,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,403,727.78 : 202,963,835.66 = 56,665,347.76 : x
  2. Step 2: Convert to fraction form
    135,403,727.78/202,963,835.66 = 56,665,347.76/x
  3. Step 3: Cross multiply
    135,403,727.78x = 202,963,835.66 × 56,665,347.76
  4. Step 4: Simplify right side
    135,403,727.78x = 11,501,016,330,620,758
  5. Step 5: Solve for x
    x = 11,501,016,330,620,758/135,403,727.78
  6. Step 6: Final answer
    x = 84,938,697.91

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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.