Home / 58,145,661.20-87,218,491.80-40,005,808.40

Finding the Fourth Proportional to 58,145,661.20, 87,218,491.80 and 40,005,808.40

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Solution

The fourth proportional to 58,145,661.20, 87,218,491.80 and 40,005,808.40 is: 60,008,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,145,661.20 : 87,218,491.80 = 40,005,808.40 : x
  2. Step 2: Convert to fraction form
    58,145,661.20/87,218,491.80 = 40,005,808.40/x
  3. Step 3: Cross multiply
    58,145,661.20x = 87,218,491.80 × 40,005,808.40
  4. Step 4: Simplify right side
    58,145,661.20x = 3,489,246,271,887,771
  5. Step 5: Solve for x
    x = 3,489,246,271,887,771/58,145,661.20
  6. Step 6: Final answer
    x = 60,008,712.60

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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.