Home / 111,618,495.45-154,035,314.36-61,384,699.23

Finding the Fourth Proportional to 111,618,495.45, 154,035,314.36 and 61,384,699.23

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Solution

The fourth proportional to 111,618,495.45, 154,035,314.36 and 61,384,699.23 is: 84,711,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,618,495.45 : 154,035,314.36 = 61,384,699.23 : x
  2. Step 2: Convert to fraction form
    111,618,495.45/154,035,314.36 = 61,384,699.23/x
  3. Step 3: Cross multiply
    111,618,495.45x = 154,035,314.36 × 61,384,699.23
  4. Step 4: Simplify right side
    111,618,495.45x = 9,455,411,442,787,100
  5. Step 5: Solve for x
    x = 9,455,411,442,787,100/111,618,495.45
  6. Step 6: Final answer
    x = 84,711,869.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.