Home / 132,596,163.20-198,894,244.80-67,878,459.20

Finding the Fourth Proportional to 132,596,163.20, 198,894,244.80 and 67,878,459.20

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Solution

The fourth proportional to 132,596,163.20, 198,894,244.80 and 67,878,459.20 is: 101,817,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,596,163.20 : 198,894,244.80 = 67,878,459.20 : x
  2. Step 2: Convert to fraction form
    132,596,163.20/198,894,244.80 = 67,878,459.20/x
  3. Step 3: Cross multiply
    132,596,163.20x = 198,894,244.80 × 67,878,459.20
  4. Step 4: Simplify right side
    132,596,163.20x = 13,500,634,880,771,614
  5. Step 5: Solve for x
    x = 13,500,634,880,771,614/132,596,163.20
  6. Step 6: Final answer
    x = 101,817,688.80

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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.