Home / 82,572,075.30-123,776,300.34-38,774,431.74

Finding the Fourth Proportional to 82,572,075.30, 123,776,300.34 and 38,774,431.74

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Solution

The fourth proportional to 82,572,075.30, 123,776,300.34 and 38,774,431.74 is: 58,123,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,572,075.30 : 123,776,300.34 = 38,774,431.74 : x
  2. Step 2: Convert to fraction form
    82,572,075.30/123,776,300.34 = 38,774,431.74/x
  3. Step 3: Cross multiply
    82,572,075.30x = 123,776,300.34 × 38,774,431.74
  4. Step 4: Simplify right side
    82,572,075.30x = 4,799,355,708,563,069
  5. Step 5: Solve for x
    x = 4,799,355,708,563,069/82,572,075.30
  6. Step 6: Final answer
    x = 58,123,229.81

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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.