Home / 216,646,294.62-298,971,886.58-123,828,795.39

Finding the Fourth Proportional to 216,646,294.62, 298,971,886.58 and 123,828,795.39

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Solution

The fourth proportional to 216,646,294.62, 298,971,886.58 and 123,828,795.39 is: 170,883,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,294.62 : 298,971,886.58 = 123,828,795.39 : x
  2. Step 2: Convert to fraction form
    216,646,294.62/298,971,886.58 = 123,828,795.39/x
  3. Step 3: Cross multiply
    216,646,294.62x = 298,971,886.58 × 123,828,795.39
  4. Step 4: Simplify right side
    216,646,294.62x = 37,021,328,570,677,104
  5. Step 5: Solve for x
    x = 37,021,328,570,677,104/216,646,294.62
  6. Step 6: Final answer
    x = 170,883,737.64

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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.