Home / 285,985,439.64-394,648,284.65-162,223,459.56

Finding the Fourth Proportional to 285,985,439.64, 394,648,284.65 and 162,223,459.56

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Solution

The fourth proportional to 285,985,439.64, 394,648,284.65 and 162,223,459.56 is: 223,861,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,985,439.64 : 394,648,284.65 = 162,223,459.56 : x
  2. Step 2: Convert to fraction form
    285,985,439.64/394,648,284.65 = 162,223,459.56/x
  3. Step 3: Cross multiply
    285,985,439.64x = 394,648,284.65 × 162,223,459.56
  4. Step 4: Simplify right side
    285,985,439.64x = 64,021,210,044,531,528
  5. Step 5: Solve for x
    x = 64,021,210,044,531,528/285,985,439.64
  6. Step 6: Final answer
    x = 223,861,781.65

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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.