Home / 371,913,635.12-557,870,450.08-135,580,880.72

Finding the Fourth Proportional to 371,913,635.12, 557,870,450.08 and 135,580,880.72

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Solution

The fourth proportional to 371,913,635.12, 557,870,450.08 and 135,580,880.72 is: 203,371,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,913,635.12 : 557,870,450.08 = 135,580,880.72 : x
  2. Step 2: Convert to fraction form
    371,913,635.12/557,870,450.08 = 135,580,880.72/x
  3. Step 3: Cross multiply
    371,913,635.12x = 557,870,450.08 × 135,580,880.72
  4. Step 4: Simplify right side
    371,913,635.12x = 75,636,566,949,509,200
  5. Step 5: Solve for x
    x = 75,636,566,949,509,200/371,913,635.12
  6. Step 6: Final answer
    x = 203,371,320.13

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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.