Home / 76,084,730.87-105,006,832.92-42,606,960.39

Finding the Fourth Proportional to 76,084,730.87, 105,006,832.92 and 42,606,960.39

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Solution

The fourth proportional to 76,084,730.87, 105,006,832.92 and 42,606,960.39 is: 58,803,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,084,730.87 : 105,006,832.92 = 42,606,960.39 : x
  2. Step 2: Convert to fraction form
    76,084,730.87/105,006,832.92 = 42,606,960.39/x
  3. Step 3: Cross multiply
    76,084,730.87x = 105,006,832.92 × 42,606,960.39
  4. Step 4: Simplify right side
    76,084,730.87x = 4,474,021,970,901,788
  5. Step 5: Solve for x
    x = 4,474,021,970,901,788/76,084,730.87
  6. Step 6: Final answer
    x = 58,803,151.70

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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.