Home / 190,851,502.11-263,386,348.88-143,725,431.68

Finding the Fourth Proportional to 190,851,502.11, 263,386,348.88 and 143,725,431.68

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Solution

The fourth proportional to 190,851,502.11, 263,386,348.88 and 143,725,431.68 is: 198,349,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851,502.11 : 263,386,348.88 = 143,725,431.68 : x
  2. Step 2: Convert to fraction form
    190,851,502.11/263,386,348.88 = 143,725,431.68/x
  3. Step 3: Cross multiply
    190,851,502.11x = 263,386,348.88 × 143,725,431.68
  4. Step 4: Simplify right side
    190,851,502.11x = 37,855,316,691,397,088
  5. Step 5: Solve for x
    x = 37,855,316,691,397,088/190,851,502.11
  6. Step 6: Final answer
    x = 198,349,587.36

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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.