Home / 345,775,434.41-518,699,488.28-112,624,314.55

Finding the Fourth Proportional to 345,775,434.41, 518,699,488.28 and 112,624,314.55

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Solution

The fourth proportional to 345,775,434.41, 518,699,488.28 and 112,624,314.55 is: 168,948,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,775,434.41 : 518,699,488.28 = 112,624,314.55 : x
  2. Step 2: Convert to fraction form
    345,775,434.41/518,699,488.28 = 112,624,314.55/x
  3. Step 3: Cross multiply
    345,775,434.41x = 518,699,488.28 × 112,624,314.55
  4. Step 4: Simplify right side
    345,775,434.41x = 58,418,174,324,399,752
  5. Step 5: Solve for x
    x = 58,418,174,324,399,752/345,775,434.41
  6. Step 6: Final answer
    x = 168,948,307.23

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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.