Home / 93,312,120.60-139,968,180.90-86,509,675.80

Finding the Fourth Proportional to 93,312,120.60, 139,968,180.90 and 86,509,675.80

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Solution

The fourth proportional to 93,312,120.60, 139,968,180.90 and 86,509,675.80 is: 129,764,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,120.60 : 139,968,180.90 = 86,509,675.80 : x
  2. Step 2: Convert to fraction form
    93,312,120.60/139,968,180.90 = 86,509,675.80/x
  3. Step 3: Cross multiply
    93,312,120.60x = 139,968,180.90 × 86,509,675.80
  4. Step 4: Simplify right side
    93,312,120.60x = 12,108,601,951,974,752
  5. Step 5: Solve for x
    x = 12,108,601,951,974,752/93,312,120.60
  6. Step 6: Final answer
    x = 129,764,513.70

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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.