Home / 93,312,008.10-139,968,012.15-86,509,563.30

Finding the Fourth Proportional to 93,312,008.10, 139,968,012.15 and 86,509,563.30

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Solution

The fourth proportional to 93,312,008.10, 139,968,012.15 and 86,509,563.30 is: 129,764,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,008.10 : 139,968,012.15 = 86,509,563.30 : x
  2. Step 2: Convert to fraction form
    93,312,008.10/139,968,012.15 = 86,509,563.30/x
  3. Step 3: Cross multiply
    93,312,008.10x = 139,968,012.15 × 86,509,563.30
  4. Step 4: Simplify right side
    93,312,008.10x = 12,108,571,607,065,594
  5. Step 5: Solve for x
    x = 12,108,571,607,065,594/93,312,008.10
  6. Step 6: Final answer
    x = 129,764,344.95

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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.