Home / 239,265,083.28-358,900,482.60-66,731,399.40

Finding the Fourth Proportional to 239,265,083.28, 358,900,482.60 and 66,731,399.40

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Solution

The fourth proportional to 239,265,083.28, 358,900,482.60 and 66,731,399.40 is: 100,097,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,265,083.28 : 358,900,482.60 = 66,731,399.40 : x
  2. Step 2: Convert to fraction form
    239,265,083.28/358,900,482.60 = 66,731,399.40/x
  3. Step 3: Cross multiply
    239,265,083.28x = 358,900,482.60 × 66,731,399.40
  4. Step 4: Simplify right side
    239,265,083.28x = 23,949,931,449,017,288
  5. Step 5: Solve for x
    x = 23,949,931,449,017,288/239,265,083.28
  6. Step 6: Final answer
    x = 100,097,896.11

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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.