Home / 93,431,047.83-127,998,406.92-89,937,811.05

Finding the Fourth Proportional to 93,431,047.83, 127,998,406.92 and 89,937,811.05

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Solution

The fourth proportional to 93,431,047.83, 127,998,406.92 and 89,937,811.05 is: 123,212,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431,047.83 : 127,998,406.92 = 89,937,811.05 : x
  2. Step 2: Convert to fraction form
    93,431,047.83/127,998,406.92 = 89,937,811.05/x
  3. Step 3: Cross multiply
    93,431,047.83x = 127,998,406.92 × 89,937,811.05
  4. Step 4: Simplify right side
    93,431,047.83x = 11,511,896,536,271,972
  5. Step 5: Solve for x
    x = 11,511,896,536,271,972/93,431,047.83
  6. Step 6: Final answer
    x = 123,212,752.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.