Home / 402,204,988.04-603,318,802.95-111,072,112.11

Finding the Fourth Proportional to 402,204,988.04, 603,318,802.95 and 111,072,112.11

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Solution

The fourth proportional to 402,204,988.04, 603,318,802.95 and 111,072,112.11 is: 166,611,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,204,988.04 : 603,318,802.95 = 111,072,112.11 : x
  2. Step 2: Convert to fraction form
    402,204,988.04/603,318,802.95 = 111,072,112.11/x
  3. Step 3: Cross multiply
    402,204,988.04x = 603,318,802.95 × 111,072,112.11
  4. Step 4: Simplify right side
    402,204,988.04x = 67,011,893,719,333,400
  5. Step 5: Solve for x
    x = 67,011,893,719,333,400/402,204,988.04
  6. Step 6: Final answer
    x = 166,611,294.52

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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.