Home / 213,459,599.16-320,186,017.62-67,891,059

Finding the Fourth Proportional to 213,459,599.16, 320,186,017.62 and 67,891,059

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Solution

The fourth proportional to 213,459,599.16, 320,186,017.62 and 67,891,059 is: 101,835,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,459,599.16 : 320,186,017.62 = 67,891,059 : x
  2. Step 2: Convert to fraction form
    213,459,599.16/320,186,017.62 = 67,891,059/x
  3. Step 3: Cross multiply
    213,459,599.16x = 320,186,017.62 × 67,891,059
  4. Step 4: Simplify right side
    213,459,599.16x = 21,737,767,813,214,460
  5. Step 5: Solve for x
    x = 21,737,767,813,214,460/213,459,599.16
  6. Step 6: Final answer
    x = 101,835,513.13

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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.