Home / 152,219,607.12-210,063,195.20-82,604,988.69

Finding the Fourth Proportional to 152,219,607.12, 210,063,195.20 and 82,604,988.69

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Solution

The fourth proportional to 152,219,607.12, 210,063,195.20 and 82,604,988.69 is: 113,994,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,219,607.12 : 210,063,195.20 = 82,604,988.69 : x
  2. Step 2: Convert to fraction form
    152,219,607.12/210,063,195.20 = 82,604,988.69/x
  3. Step 3: Cross multiply
    152,219,607.12x = 210,063,195.20 × 82,604,988.69
  4. Step 4: Simplify right side
    152,219,607.12x = 17,352,267,863,268,236
  5. Step 5: Solve for x
    x = 17,352,267,863,268,236/152,219,607.12
  6. Step 6: Final answer
    x = 113,994,958.94

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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.