Home / 154,342,964.17-212,993,495.00-83,778,528.56

Finding the Fourth Proportional to 154,342,964.17, 212,993,495.00 and 83,778,528.56

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Solution

The fourth proportional to 154,342,964.17, 212,993,495.00 and 83,778,528.56 is: 115,614,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,342,964.17 : 212,993,495.00 = 83,778,528.56 : x
  2. Step 2: Convert to fraction form
    154,342,964.17/212,993,495.00 = 83,778,528.56/x
  3. Step 3: Cross multiply
    154,342,964.17x = 212,993,495.00 × 83,778,528.56
  4. Step 4: Simplify right side
    154,342,964.17x = 17,844,281,603,442,488
  5. Step 5: Solve for x
    x = 17,844,281,603,442,488/154,342,964.17
  6. Step 6: Final answer
    x = 115,614,480.39

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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.