Home / 217,745,999.10-326,618,998.65-145,186,587.90

Finding the Fourth Proportional to 217,745,999.10, 326,618,998.65 and 145,186,587.90

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Solution

The fourth proportional to 217,745,999.10, 326,618,998.65 and 145,186,587.90 is: 217,779,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,745,999.10 : 326,618,998.65 = 145,186,587.90 : x
  2. Step 2: Convert to fraction form
    217,745,999.10/326,618,998.65 = 145,186,587.90/x
  3. Step 3: Cross multiply
    217,745,999.10x = 326,618,998.65 × 145,186,587.90
  4. Step 4: Simplify right side
    217,745,999.10x = 47,420,697,957,308,208
  5. Step 5: Solve for x
    x = 47,420,697,957,308,208/217,745,999.10
  6. Step 6: Final answer
    x = 217,779,881.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.