Home / 112,337,776.80-168,506,665.20-99,583,192.80

Finding the Fourth Proportional to 112,337,776.80, 168,506,665.20 and 99,583,192.80

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Solution

The fourth proportional to 112,337,776.80, 168,506,665.20 and 99,583,192.80 is: 149,374,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337,776.80 : 168,506,665.20 = 99,583,192.80 : x
  2. Step 2: Convert to fraction form
    112,337,776.80/168,506,665.20 = 99,583,192.80/x
  3. Step 3: Cross multiply
    112,337,776.80x = 168,506,665.20 × 99,583,192.80
  4. Step 4: Simplify right side
    112,337,776.80x = 16,780,431,728,696,648
  5. Step 5: Solve for x
    x = 16,780,431,728,696,648/112,337,776.80
  6. Step 6: Final answer
    x = 149,374,789.20

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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.