Home / 88,756,443.70-133,134,665.55-85,355,221.30

Finding the Fourth Proportional to 88,756,443.70, 133,134,665.55 and 85,355,221.30

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Solution

The fourth proportional to 88,756,443.70, 133,134,665.55 and 85,355,221.30 is: 128,032,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,756,443.70 : 133,134,665.55 = 85,355,221.30 : x
  2. Step 2: Convert to fraction form
    88,756,443.70/133,134,665.55 = 85,355,221.30/x
  3. Step 3: Cross multiply
    88,756,443.70x = 133,134,665.55 × 85,355,221.30
  4. Step 4: Simplify right side
    88,756,443.70x = 11,363,738,840,721,736
  5. Step 5: Solve for x
    x = 11,363,738,840,721,736/88,756,443.70
  6. Step 6: Final answer
    x = 128,032,831.95

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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.