Home / 93,312,115.20-139,968,172.80-84,242,188.80

Finding the Fourth Proportional to 93,312,115.20, 139,968,172.80 and 84,242,188.80

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Solution

The fourth proportional to 93,312,115.20, 139,968,172.80 and 84,242,188.80 is: 126,363,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,115.20 : 139,968,172.80 = 84,242,188.80 : x
  2. Step 2: Convert to fraction form
    93,312,115.20/139,968,172.80 = 84,242,188.80/x
  3. Step 3: Cross multiply
    93,312,115.20x = 139,968,172.80 × 84,242,188.80
  4. Step 4: Simplify right side
    93,312,115.20x = 11,791,225,239,008,626
  5. Step 5: Solve for x
    x = 11,791,225,239,008,626/93,312,115.20
  6. Step 6: Final answer
    x = 126,363,283.20

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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.