Home / 51,685,436.38-77,455,006.72-28,666,503.22

Finding the Fourth Proportional to 51,685,436.38, 77,455,006.72 and 28,666,503.22

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Solution

The fourth proportional to 51,685,436.38, 77,455,006.72 and 28,666,503.22 is: 42,959,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685,436.38 : 77,455,006.72 = 28,666,503.22 : x
  2. Step 2: Convert to fraction form
    51,685,436.38/77,455,006.72 = 28,666,503.22/x
  3. Step 3: Cross multiply
    51,685,436.38x = 77,455,006.72 × 28,666,503.22
  4. Step 4: Simplify right side
    51,685,436.38x = 2,220,364,199,544,001.50
  5. Step 5: Solve for x
    x = 2,220,364,199,544,001.50/51,685,436.38
  6. Step 6: Final answer
    x = 42,959,184.54

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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.