Home / 290,834,765.46-401,216,811.57-173,294,188.02

Finding the Fourth Proportional to 290,834,765.46, 401,216,811.57 and 173,294,188.02

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Solution

The fourth proportional to 290,834,765.46, 401,216,811.57 and 173,294,188.02 is: 239,065,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,834,765.46 : 401,216,811.57 = 173,294,188.02 : x
  2. Step 2: Convert to fraction form
    290,834,765.46/401,216,811.57 = 173,294,188.02/x
  3. Step 3: Cross multiply
    290,834,765.46x = 401,216,811.57 × 173,294,188.02
  4. Step 4: Simplify right side
    290,834,765.46x = 69,528,541,580,996,496
  5. Step 5: Solve for x
    x = 69,528,541,580,996,496/290,834,765.46
  6. Step 6: Final answer
    x = 239,065,441.41

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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.