Home / 157,308,317.22-217,098,402.48-86,757,726.27

Finding the Fourth Proportional to 157,308,317.22, 217,098,402.48 and 86,757,726.27

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Solution

The fourth proportional to 157,308,317.22, 217,098,402.48 and 86,757,726.27 is: 119,732,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,308,317.22 : 217,098,402.48 = 86,757,726.27 : x
  2. Step 2: Convert to fraction form
    157,308,317.22/217,098,402.48 = 86,757,726.27/x
  3. Step 3: Cross multiply
    157,308,317.22x = 217,098,402.48 × 86,757,726.27
  4. Step 4: Simplify right side
    157,308,317.22x = 18,834,963,776,014,128
  5. Step 5: Solve for x
    x = 18,834,963,776,014,128/157,308,317.22
  6. Step 6: Final answer
    x = 119,732,790.41

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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.