Home / 86,054,511.20-129,032,000.40-32,207,266.40

Finding the Fourth Proportional to 86,054,511.20, 129,032,000.40 and 32,207,266.40

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Solution

The fourth proportional to 86,054,511.20, 129,032,000.40 and 32,207,266.40 is: 48,292,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,054,511.20 : 129,032,000.40 = 32,207,266.40 : x
  2. Step 2: Convert to fraction form
    86,054,511.20/129,032,000.40 = 32,207,266.40/x
  3. Step 3: Cross multiply
    86,054,511.20x = 129,032,000.40 × 32,207,266.40
  4. Step 4: Simplify right side
    86,054,511.20x = 4,155,768,011,007,706.50
  5. Step 5: Solve for x
    x = 4,155,768,011,007,706.50/86,054,511.20
  6. Step 6: Final answer
    x = 48,292,273.74

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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.