Home / 93,312,128.20-139,968,192.30-64,086,809.80

Finding the Fourth Proportional to 93,312,128.20, 139,968,192.30 and 64,086,809.80

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Solution

The fourth proportional to 93,312,128.20, 139,968,192.30 and 64,086,809.80 is: 96,130,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,128.20 : 139,968,192.30 = 64,086,809.80 : x
  2. Step 2: Convert to fraction form
    93,312,128.20/139,968,192.30 = 64,086,809.80/x
  3. Step 3: Cross multiply
    93,312,128.20x = 139,968,192.30 × 64,086,809.80
  4. Step 4: Simplify right side
    93,312,128.20x = 8,970,114,917,979,925
  5. Step 5: Solve for x
    x = 8,970,114,917,979,925/93,312,128.20
  6. Step 6: Final answer
    x = 96,130,214.70

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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.