Home / 200,565,278.28-276,678,220.50-130,991,384.52

Finding the Fourth Proportional to 200,565,278.28, 276,678,220.50 and 130,991,384.52

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Solution

The fourth proportional to 200,565,278.28, 276,678,220.50 and 130,991,384.52 is: 180,701,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,565,278.28 : 276,678,220.50 = 130,991,384.52 : x
  2. Step 2: Convert to fraction form
    200,565,278.28/276,678,220.50 = 130,991,384.52/x
  3. Step 3: Cross multiply
    200,565,278.28x = 276,678,220.50 × 130,991,384.52
  4. Step 4: Simplify right side
    200,565,278.28x = 36,242,463,169,824,848
  5. Step 5: Solve for x
    x = 36,242,463,169,824,848/200,565,278.28
  6. Step 6: Final answer
    x = 180,701,582.45

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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.