Home / 86,339,246.40-129,492,280.80-25,756,948.80

Finding the Fourth Proportional to 86,339,246.40, 129,492,280.80 and 25,756,948.80

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Solution

The fourth proportional to 86,339,246.40, 129,492,280.80 and 25,756,948.80 is: 38,630,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339,246.40 : 129,492,280.80 = 25,756,948.80 : x
  2. Step 2: Convert to fraction form
    86,339,246.40/129,492,280.80 = 25,756,948.80/x
  3. Step 3: Cross multiply
    86,339,246.40x = 129,492,280.80 × 25,756,948.80
  4. Step 4: Simplify right side
    86,339,246.40x = 3,335,326,046,560,823
  5. Step 5: Solve for x
    x = 3,335,326,046,560,823/86,339,246.40
  6. Step 6: Final answer
    x = 38,630,474.39

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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.