Home / 86,371,500.18-129,557,247.84-28,863,769.80

Finding the Fourth Proportional to 86,371,500.18, 129,557,247.84 and 28,863,769.80

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Solution

The fourth proportional to 86,371,500.18, 129,557,247.84 and 28,863,769.80 is: 43,295,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371,500.18 : 129,557,247.84 = 28,863,769.80 : x
  2. Step 2: Convert to fraction form
    86,371,500.18/129,557,247.84 = 28,863,769.80/x
  3. Step 3: Cross multiply
    86,371,500.18x = 129,557,247.84 × 28,863,769.80
  4. Step 4: Simplify right side
    86,371,500.18x = 3,739,510,577,575,307.50
  5. Step 5: Solve for x
    x = 3,739,510,577,575,307.50/86,371,500.18
  6. Step 6: Final answer
    x = 43,295,653.89

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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.