Home / 93,312,090.30-139,968,135.45-90,792,666.30

Finding the Fourth Proportional to 93,312,090.30, 139,968,135.45 and 90,792,666.30

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Solution

The fourth proportional to 93,312,090.30, 139,968,135.45 and 90,792,666.30 is: 136,188,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,090.30 : 139,968,135.45 = 90,792,666.30 : x
  2. Step 2: Convert to fraction form
    93,312,090.30/139,968,135.45 = 90,792,666.30/x
  3. Step 3: Cross multiply
    93,312,090.30x = 139,968,135.45 × 90,792,666.30
  4. Step 4: Simplify right side
    93,312,090.30x = 12,708,080,214,545,048
  5. Step 5: Solve for x
    x = 12,708,080,214,545,048/93,312,090.30
  6. Step 6: Final answer
    x = 136,188,999.45

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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.