Home / 140,466,475.17-193,844,150.46-77,746,929.37

Finding the Fourth Proportional to 140,466,475.17, 193,844,150.46 and 77,746,929.37

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Solution

The fourth proportional to 140,466,475.17, 193,844,150.46 and 77,746,929.37 is: 107,290,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,466,475.17 : 193,844,150.46 = 77,746,929.37 : x
  2. Step 2: Convert to fraction form
    140,466,475.17/193,844,150.46 = 77,746,929.37/x
  3. Step 3: Cross multiply
    140,466,475.17x = 193,844,150.46 × 77,746,929.37
  4. Step 4: Simplify right side
    140,466,475.17x = 15,070,787,474,116,664
  5. Step 5: Solve for x
    x = 15,070,787,474,116,664/140,466,475.17
  6. Step 6: Final answer
    x = 107,290,992.07

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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.