Home / 110,717,421.40-166,076,132.10-82,019,607.40

Finding the Fourth Proportional to 110,717,421.40, 166,076,132.10 and 82,019,607.40

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Solution

The fourth proportional to 110,717,421.40, 166,076,132.10 and 82,019,607.40 is: 123,029,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,421.40 : 166,076,132.10 = 82,019,607.40 : x
  2. Step 2: Convert to fraction form
    110,717,421.40/166,076,132.10 = 82,019,607.40/x
  3. Step 3: Cross multiply
    110,717,421.40x = 166,076,132.10 × 82,019,607.40
  4. Step 4: Simplify right side
    110,717,421.40x = 13,621,499,153,352,538
  5. Step 5: Solve for x
    x = 13,621,499,153,352,538/110,717,421.40
  6. Step 6: Final answer
    x = 123,029,411.10

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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.