Home / 134,861,975.42-186,108,841.85-72,982,313.98

Finding the Fourth Proportional to 134,861,975.42, 186,108,841.85 and 72,982,313.98

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Solution

The fourth proportional to 134,861,975.42, 186,108,841.85 and 72,982,313.98 is: 100,715,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,861,975.42 : 186,108,841.85 = 72,982,313.98 : x
  2. Step 2: Convert to fraction form
    134,861,975.42/186,108,841.85 = 72,982,313.98/x
  3. Step 3: Cross multiply
    134,861,975.42x = 186,108,841.85 × 72,982,313.98
  4. Step 4: Simplify right side
    134,861,975.42x = 13,582,653,929,520,682
  5. Step 5: Solve for x
    x = 13,582,653,929,520,682/134,861,975.42
  6. Step 6: Final answer
    x = 100,715,223.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.