Home / 191,145,274.20-286,788,770.10-76,212,300.60

Finding the Fourth Proportional to 191,145,274.20, 286,788,770.10 and 76,212,300.60

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Solution

The fourth proportional to 191,145,274.20, 286,788,770.10 and 76,212,300.60 is: 114,346,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,145,274.20 : 286,788,770.10 = 76,212,300.60 : x
  2. Step 2: Convert to fraction form
    191,145,274.20/286,788,770.10 = 76,212,300.60/x
  3. Step 3: Cross multiply
    191,145,274.20x = 286,788,770.10 × 76,212,300.60
  4. Step 4: Simplify right side
    191,145,274.20x = 21,856,831,955,565,492
  5. Step 5: Solve for x
    x = 21,856,831,955,565,492/191,145,274.20
  6. Step 6: Final answer
    x = 114,346,703.30

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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.