Home / 190,488,160.71-285,760,633.77-67,656,158.64

Finding the Fourth Proportional to 190,488,160.71, 285,760,633.77 and 67,656,158.64

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Solution

The fourth proportional to 190,488,160.71, 285,760,633.77 and 67,656,158.64 is: 101,494,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,488,160.71 : 285,760,633.77 = 67,656,158.64 : x
  2. Step 2: Convert to fraction form
    190,488,160.71/285,760,633.77 = 67,656,158.64/x
  3. Step 3: Cross multiply
    190,488,160.71x = 285,760,633.77 × 67,656,158.64
  4. Step 4: Simplify right side
    190,488,160.71x = 19,333,466,771,410,060
  5. Step 5: Solve for x
    x = 19,333,466,771,410,060/190,488,160.71
  6. Step 6: Final answer
    x = 101,494,322.27

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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.