Home / 192,457,999.40-288,753,095.10-56,163,381.80

Finding the Fourth Proportional to 192,457,999.40, 288,753,095.10 and 56,163,381.80

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Solution

The fourth proportional to 192,457,999.40, 288,753,095.10 and 56,163,381.80 is: 84,264,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,999.40 : 288,753,095.10 = 56,163,381.80 : x
  2. Step 2: Convert to fraction form
    192,457,999.40/288,753,095.10 = 56,163,381.80/x
  3. Step 3: Cross multiply
    192,457,999.40x = 288,753,095.10 × 56,163,381.80
  4. Step 4: Simplify right side
    192,457,999.40x = 16,217,350,326,033,010
  5. Step 5: Solve for x
    x = 16,217,350,326,033,010/192,457,999.40
  6. Step 6: Final answer
    x = 84,264,360.93

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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.