Home / 89,578,111.45-123,592,813.38-57,774,824.05

Finding the Fourth Proportional to 89,578,111.45, 123,592,813.38 and 57,774,824.05

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Solution

The fourth proportional to 89,578,111.45, 123,592,813.38 and 57,774,824.05 is: 79,713,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578,111.45 : 123,592,813.38 = 57,774,824.05 : x
  2. Step 2: Convert to fraction form
    89,578,111.45/123,592,813.38 = 57,774,824.05/x
  3. Step 3: Cross multiply
    89,578,111.45x = 123,592,813.38 × 57,774,824.05
  4. Step 4: Simplify right side
    89,578,111.45x = 7,140,553,046,873,985
  5. Step 5: Solve for x
    x = 7,140,553,046,873,985/89,578,111.45
  6. Step 6: Final answer
    x = 79,713,145.67

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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.