Home / 73,494,804.12-101,432,487.46-42,145,121.40

Finding the Fourth Proportional to 73,494,804.12, 101,432,487.46 and 42,145,121.40

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Solution

The fourth proportional to 73,494,804.12, 101,432,487.46 and 42,145,121.40 is: 58,165,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,494,804.12 : 101,432,487.46 = 42,145,121.40 : x
  2. Step 2: Convert to fraction form
    73,494,804.12/101,432,487.46 = 42,145,121.40/x
  3. Step 3: Cross multiply
    73,494,804.12x = 101,432,487.46 × 42,145,121.40
  4. Step 4: Simplify right side
    73,494,804.12x = 4,274,884,497,905,677
  5. Step 5: Solve for x
    x = 4,274,884,497,905,677/73,494,804.12
  6. Step 6: Final answer
    x = 58,165,805.72

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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.