Home / 111,927,578.95-154,457,989.48-61,006,856.81

Finding the Fourth Proportional to 111,927,578.95, 154,457,989.48 and 61,006,856.81

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Solution

The fourth proportional to 111,927,578.95, 154,457,989.48 and 61,006,856.81 is: 84,188,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,927,578.95 : 154,457,989.48 = 61,006,856.81 : x
  2. Step 2: Convert to fraction form
    111,927,578.95/154,457,989.48 = 61,006,856.81/x
  3. Step 3: Cross multiply
    111,927,578.95x = 154,457,989.48 × 61,006,856.81
  4. Step 4: Simplify right side
    111,927,578.95x = 9,422,996,447,108,494
  5. Step 5: Solve for x
    x = 9,422,996,447,108,494/111,927,578.95
  6. Step 6: Final answer
    x = 84,188,334.42

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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.