Home / 66,409,089.40-99,643,901.28-34,083,692.32

Finding the Fourth Proportional to 66,409,089.40, 99,643,901.28 and 34,083,692.32

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Solution

The fourth proportional to 66,409,089.40, 99,643,901.28 and 34,083,692.32 is: 51,141,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,409,089.40 : 99,643,901.28 = 34,083,692.32 : x
  2. Step 2: Convert to fraction form
    66,409,089.40/99,643,901.28 = 34,083,692.32/x
  3. Step 3: Cross multiply
    66,409,089.40x = 99,643,901.28 × 34,083,692.32
  4. Step 4: Simplify right side
    66,409,089.40x = 3,396,232,072,791,974
  5. Step 5: Solve for x
    x = 3,396,232,072,791,974/66,409,089.40
  6. Step 6: Final answer
    x = 51,141,072.76

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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.