Home / 216,438,587.55-298,677,248.90-117,317,206.78

Finding the Fourth Proportional to 216,438,587.55, 298,677,248.90 and 117,317,206.78

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Solution

The fourth proportional to 216,438,587.55, 298,677,248.90 and 117,317,206.78 is: 161,893,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,587.55 : 298,677,248.90 = 117,317,206.78 : x
  2. Step 2: Convert to fraction form
    216,438,587.55/298,677,248.90 = 117,317,206.78/x
  3. Step 3: Cross multiply
    216,438,587.55x = 298,677,248.90 × 117,317,206.78
  4. Step 4: Simplify right side
    216,438,587.55x = 35,039,980,570,349,464
  5. Step 5: Solve for x
    x = 35,039,980,570,349,464/216,438,587.55
  6. Step 6: Final answer
    x = 161,893,408.04

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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.