Home / 216,438,607.61-298,677,276.47-117,317,226.77

Finding the Fourth Proportional to 216,438,607.61, 298,677,276.47 and 117,317,226.77

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Solution

The fourth proportional to 216,438,607.61, 298,677,276.47 and 117,317,226.77 is: 161,893,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,607.61 : 298,677,276.47 = 117,317,226.77 : x
  2. Step 2: Convert to fraction form
    216,438,607.61/298,677,276.47 = 117,317,226.77/x
  3. Step 3: Cross multiply
    216,438,607.61x = 298,677,276.47 × 117,317,226.77
  4. Step 4: Simplify right side
    216,438,607.61x = 35,039,989,772,597,000
  5. Step 5: Solve for x
    x = 35,039,989,772,597,000/216,438,607.61
  6. Step 6: Final answer
    x = 161,893,435.56

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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.