Home / 93,479,961.90-139,968,000.45-67,781,837.10

Finding the Fourth Proportional to 93,479,961.90, 139,968,000.45 and 67,781,837.10

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Solution

The fourth proportional to 93,479,961.90, 139,968,000.45 and 67,781,837.10 is: 101,490,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,479,961.90 : 139,968,000.45 = 67,781,837.10 : x
  2. Step 2: Convert to fraction form
    93,479,961.90/139,968,000.45 = 67,781,837.10/x
  3. Step 3: Cross multiply
    93,479,961.90x = 139,968,000.45 × 67,781,837.10
  4. Step 4: Simplify right side
    93,479,961.90x = 9,487,288,205,714,626
  5. Step 5: Solve for x
    x = 9,487,288,205,714,626/93,479,961.90
  6. Step 6: Final answer
    x = 101,490,073.52

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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.