Home / 68,096,638.40-102,144,957.60-42,566,475.20

Finding the Fourth Proportional to 68,096,638.40, 102,144,957.60 and 42,566,475.20

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Solution

The fourth proportional to 68,096,638.40, 102,144,957.60 and 42,566,475.20 is: 63,849,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,638.40 : 102,144,957.60 = 42,566,475.20 : x
  2. Step 2: Convert to fraction form
    68,096,638.40/102,144,957.60 = 42,566,475.20/x
  3. Step 3: Cross multiply
    68,096,638.40x = 102,144,957.60 × 42,566,475.20
  4. Step 4: Simplify right side
    68,096,638.40x = 4,347,950,804,485,451.50
  5. Step 5: Solve for x
    x = 4,347,950,804,485,451.50/68,096,638.40
  6. Step 6: Final answer
    x = 63,849,712.80

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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.