Home / 93,312,086.80-139,968,130.20-78,195,542.80

Finding the Fourth Proportional to 93,312,086.80, 139,968,130.20 and 78,195,542.80

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Solution

The fourth proportional to 93,312,086.80, 139,968,130.20 and 78,195,542.80 is: 117,293,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,086.80 : 139,968,130.20 = 78,195,542.80 : x
  2. Step 2: Convert to fraction form
    93,312,086.80/139,968,130.20 = 78,195,542.80/x
  3. Step 3: Cross multiply
    93,312,086.80x = 139,968,130.20 × 78,195,542.80
  4. Step 4: Simplify right side
    93,312,086.80x = 10,944,883,915,690,072
  5. Step 5: Solve for x
    x = 10,944,883,915,690,072/93,312,086.80
  6. Step 6: Final answer
    x = 117,293,314.20

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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.