Home / 72,881,570.20-109,196,384.10-47,309,416.60

Finding the Fourth Proportional to 72,881,570.20, 109,196,384.10 and 47,309,416.60

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Solution

The fourth proportional to 72,881,570.20, 109,196,384.10 and 47,309,416.60 is: 70,882,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,881,570.20 : 109,196,384.10 = 47,309,416.60 : x
  2. Step 2: Convert to fraction form
    72,881,570.20/109,196,384.10 = 47,309,416.60/x
  3. Step 3: Cross multiply
    72,881,570.20x = 109,196,384.10 × 47,309,416.60
  4. Step 4: Simplify right side
    72,881,570.20x = 5,166,017,226,600,516
  5. Step 5: Solve for x
    x = 5,166,017,226,600,516/72,881,570.20
  6. Step 6: Final answer
    x = 70,882,353.56

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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.