Home / 103,097,804-142,271,327.68-56,687,732.96

Finding the Fourth Proportional to 103,097,804, 142,271,327.68 and 56,687,732.96

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Solution

The fourth proportional to 103,097,804, 142,271,327.68 and 56,687,732.96 is: 78,227,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,097,804 : 142,271,327.68 = 56,687,732.96 : x
  2. Step 2: Convert to fraction form
    103,097,804/142,271,327.68 = 56,687,732.96/x
  3. Step 3: Cross multiply
    103,097,804x = 142,271,327.68 × 56,687,732.96
  4. Step 4: Simplify right side
    103,097,804x = 8,065,039,031,388,497
  5. Step 5: Solve for x
    x = 8,065,039,031,388,497/103,097,804
  6. Step 6: Final answer
    x = 78,227,069.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.