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Finding the Fourth Proportional to 93,271,322.80, 139,906,984.20 and 29,437,620.40

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Solution

The fourth proportional to 93,271,322.80, 139,906,984.20 and 29,437,620.40 is: 44,156,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,271,322.80 : 139,906,984.20 = 29,437,620.40 : x
  2. Step 2: Convert to fraction form
    93,271,322.80/139,906,984.20 = 29,437,620.40/x
  3. Step 3: Cross multiply
    93,271,322.80x = 139,906,984.20 × 29,437,620.40
  4. Step 4: Simplify right side
    93,271,322.80x = 4,118,528,692,188,397
  5. Step 5: Solve for x
    x = 4,118,528,692,188,397/93,271,322.80
  6. Step 6: Final answer
    x = 44,156,430.60

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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.