Home / 134,762,274.45-185,972,063.70-72,882,613.01

Finding the Fourth Proportional to 134,762,274.45, 185,972,063.70 and 72,882,613.01

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Solution

The fourth proportional to 134,762,274.45, 185,972,063.70 and 72,882,613.01 is: 100,578,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762,274.45 : 185,972,063.70 = 72,882,613.01 : x
  2. Step 2: Convert to fraction form
    134,762,274.45/185,972,063.70 = 72,882,613.01/x
  3. Step 3: Cross multiply
    134,762,274.45x = 185,972,063.70 × 72,882,613.01
  4. Step 4: Simplify right side
    134,762,274.45x = 13,554,129,950,056,410
  5. Step 5: Solve for x
    x = 13,554,129,950,056,410/134,762,274.45
  6. Step 6: Final answer
    x = 100,578,073.54

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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.