Home / 93,470,031.79-140,079,722.44-72,745,494.68

Finding the Fourth Proportional to 93,470,031.79, 140,079,722.44 and 72,745,494.68

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Solution

The fourth proportional to 93,470,031.79, 140,079,722.44 and 72,745,494.68 is: 109,020,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470,031.79 : 140,079,722.44 = 72,745,494.68 : x
  2. Step 2: Convert to fraction form
    93,470,031.79/140,079,722.44 = 72,745,494.68/x
  3. Step 3: Cross multiply
    93,470,031.79x = 140,079,722.44 × 72,745,494.68
  4. Step 4: Simplify right side
    93,470,031.79x = 10,190,168,703,534,898
  5. Step 5: Solve for x
    x = 10,190,168,703,534,898/93,470,031.79
  6. Step 6: Final answer
    x = 109,020,704.37

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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.