Home / 76,226,644.80-105,190,922.16-42,733,904.64

Finding the Fourth Proportional to 76,226,644.80, 105,190,922.16 and 42,733,904.64

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Solution

The fourth proportional to 76,226,644.80, 105,190,922.16 and 42,733,904.64 is: 58,971,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,226,644.80 : 105,190,922.16 = 42,733,904.64 : x
  2. Step 2: Convert to fraction form
    76,226,644.80/105,190,922.16 = 42,733,904.64/x
  3. Step 3: Cross multiply
    76,226,644.80x = 105,190,922.16 × 42,733,904.64
  4. Step 4: Simplify right side
    76,226,644.80x = 4,495,218,836,579,102.50
  5. Step 5: Solve for x
    x = 4,495,218,836,579,102.50/76,226,644.80
  6. Step 6: Final answer
    x = 58,971,752.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.