Home / 147,386,049.40-221,079,074.10-133,037,142.40

Finding the Fourth Proportional to 147,386,049.40, 221,079,074.10 and 133,037,142.40

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Solution

The fourth proportional to 147,386,049.40, 221,079,074.10 and 133,037,142.40 is: 199,555,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386,049.40 : 221,079,074.10 = 133,037,142.40 : x
  2. Step 2: Convert to fraction form
    147,386,049.40/221,079,074.10 = 133,037,142.40/x
  3. Step 3: Cross multiply
    147,386,049.40x = 221,079,074.10 × 133,037,142.40
  4. Step 4: Simplify right side
    147,386,049.40x = 29,411,728,262,701,852
  5. Step 5: Solve for x
    x = 29,411,728,262,701,852/147,386,049.40
  6. Step 6: Final answer
    x = 199,555,713.60

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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.