Home / 260,671,679.28-391,168,985.13-151,548,208.74

Finding the Fourth Proportional to 260,671,679.28, 391,168,985.13 and 151,548,208.74

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Solution

The fourth proportional to 260,671,679.28, 391,168,985.13 and 151,548,208.74 is: 227,416,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,671,679.28 : 391,168,985.13 = 151,548,208.74 : x
  2. Step 2: Convert to fraction form
    260,671,679.28/391,168,985.13 = 151,548,208.74/x
  3. Step 3: Cross multiply
    260,671,679.28x = 391,168,985.13 × 151,548,208.74
  4. Step 4: Simplify right side
    260,671,679.28x = 59,280,959,011,095,200
  5. Step 5: Solve for x
    x = 59,280,959,011,095,200/260,671,679.28
  6. Step 6: Final answer
    x = 227,416,185.66

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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.