Home / 91,079,101.80-136,618,652.70-87,048,023.40

Finding the Fourth Proportional to 91,079,101.80, 136,618,652.70 and 87,048,023.40

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Solution

The fourth proportional to 91,079,101.80, 136,618,652.70 and 87,048,023.40 is: 130,572,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,079,101.80 : 136,618,652.70 = 87,048,023.40 : x
  2. Step 2: Convert to fraction form
    91,079,101.80/136,618,652.70 = 87,048,023.40/x
  3. Step 3: Cross multiply
    91,079,101.80x = 136,618,652.70 × 87,048,023.40
  4. Step 4: Simplify right side
    91,079,101.80x = 11,892,383,677,106,072
  5. Step 5: Solve for x
    x = 11,892,383,677,106,072/91,079,101.80
  6. Step 6: Final answer
    x = 130,572,035.10

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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.