Home / 78,043,536.08-117,070,690.61-22,711,828.62

Finding the Fourth Proportional to 78,043,536.08, 117,070,690.61 and 22,711,828.62

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Solution

The fourth proportional to 78,043,536.08, 117,070,690.61 and 22,711,828.62 is: 34,069,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,043,536.08 : 117,070,690.61 = 22,711,828.62 : x
  2. Step 2: Convert to fraction form
    78,043,536.08/117,070,690.61 = 22,711,828.62/x
  3. Step 3: Cross multiply
    78,043,536.08x = 117,070,690.61 × 22,711,828.62
  4. Step 4: Simplify right side
    78,043,536.08x = 2,658,889,461,559,363.50
  5. Step 5: Solve for x
    x = 2,658,889,461,559,363.50/78,043,536.08
  6. Step 6: Final answer
    x = 34,069,310.48

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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.