Home / 86,565,265.96-129,847,899.12-21,869,257

Finding the Fourth Proportional to 86,565,265.96, 129,847,899.12 and 21,869,257

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Solution

The fourth proportional to 86,565,265.96, 129,847,899.12 and 21,869,257 is: 32,803,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565,265.96 : 129,847,899.12 = 21,869,257 : x
  2. Step 2: Convert to fraction form
    86,565,265.96/129,847,899.12 = 21,869,257/x
  3. Step 3: Cross multiply
    86,565,265.96x = 129,847,899.12 × 21,869,257
  4. Step 4: Simplify right side
    86,565,265.96x = 2,839,677,076,765,354
  5. Step 5: Solve for x
    x = 2,839,677,076,765,354/86,565,265.96
  6. Step 6: Final answer
    x = 32,803,885.55

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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.