Home / 154,343,605.83-212,699,820.10-151,506,707.34

Finding the Fourth Proportional to 154,343,605.83, 212,699,820.10 and 151,506,707.34

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Solution

The fourth proportional to 154,343,605.83, 212,699,820.10 and 151,506,707.34 is: 208,790,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,343,605.83 : 212,699,820.10 = 151,506,707.34 : x
  2. Step 2: Convert to fraction form
    154,343,605.83/212,699,820.10 = 151,506,707.34/x
  3. Step 3: Cross multiply
    154,343,605.83x = 212,699,820.10 × 151,506,707.34
  4. Step 4: Simplify right side
    154,343,605.83x = 32,225,449,394,859,876
  5. Step 5: Solve for x
    x = 32,225,449,394,859,876/154,343,605.83
  6. Step 6: Final answer
    x = 208,790,310.57

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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.