Home / 93,312,108.90-139,968,163.35-86,509,664.10

Finding the Fourth Proportional to 93,312,108.90, 139,968,163.35 and 86,509,664.10

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Solution

The fourth proportional to 93,312,108.90, 139,968,163.35 and 86,509,664.10 is: 129,764,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,108.90 : 139,968,163.35 = 86,509,664.10 : x
  2. Step 2: Convert to fraction form
    93,312,108.90/139,968,163.35 = 86,509,664.10/x
  3. Step 3: Cross multiply
    93,312,108.90x = 139,968,163.35 × 86,509,664.10
  4. Step 4: Simplify right side
    93,312,108.90x = 12,108,598,796,102,430
  5. Step 5: Solve for x
    x = 12,108,598,796,102,430/93,312,108.90
  6. Step 6: Final answer
    x = 129,764,496.15

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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.