Home / 93,312,002.55-139,968,003.83-85,942,687.35

Finding the Fourth Proportional to 93,312,002.55, 139,968,003.83 and 85,942,687.35

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Solution

The fourth proportional to 93,312,002.55, 139,968,003.83 and 85,942,687.35 is: 128,914,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,002.55 : 139,968,003.83 = 85,942,687.35 : x
  2. Step 2: Convert to fraction form
    93,312,002.55/139,968,003.83 = 85,942,687.35/x
  3. Step 3: Cross multiply
    93,312,002.55x = 139,968,003.83 × 85,942,687.35
  4. Step 4: Simplify right side
    93,312,002.55x = 12,029,226,391,735,578
  5. Step 5: Solve for x
    x = 12,029,226,391,735,578/93,312,002.55
  6. Step 6: Final answer
    x = 128,914,031.03

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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.