Home / 93,312,116.10-139,968,174.15-86,509,671.30

Finding the Fourth Proportional to 93,312,116.10, 139,968,174.15 and 86,509,671.30

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Solution

The fourth proportional to 93,312,116.10, 139,968,174.15 and 86,509,671.30 is: 129,764,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,116.10 : 139,968,174.15 = 86,509,671.30 : x
  2. Step 2: Convert to fraction form
    93,312,116.10/139,968,174.15 = 86,509,671.30/x
  3. Step 3: Cross multiply
    93,312,116.10x = 139,968,174.15 × 86,509,671.30
  4. Step 4: Simplify right side
    93,312,116.10x = 12,108,600,738,177,656
  5. Step 5: Solve for x
    x = 12,108,600,738,177,656/93,312,116.10
  6. Step 6: Final answer
    x = 129,764,506.95

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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.