Home / 76,872,075.92-106,083,463.68-42,064,765.34

Finding the Fourth Proportional to 76,872,075.92, 106,083,463.68 and 42,064,765.34

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Solution

The fourth proportional to 76,872,075.92, 106,083,463.68 and 42,064,765.34 is: 58,049,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,872,075.92 : 106,083,463.68 = 42,064,765.34 : x
  2. Step 2: Convert to fraction form
    76,872,075.92/106,083,463.68 = 42,064,765.34/x
  3. Step 3: Cross multiply
    76,872,075.92x = 106,083,463.68 × 42,064,765.34
  4. Step 4: Simplify right side
    76,872,075.92x = 4,462,376,006,153,613.50
  5. Step 5: Solve for x
    x = 4,462,376,006,153,613.50/76,872,075.92
  6. Step 6: Final answer
    x = 58,049,375.57

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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.