Home / 157,460,024.82-236,496,536.93-128,335,384.97

Finding the Fourth Proportional to 157,460,024.82, 236,496,536.93 and 128,335,384.97

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Solution

The fourth proportional to 157,460,024.82, 236,496,536.93 and 128,335,384.97 is: 192,752,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,460,024.82 : 236,496,536.93 = 128,335,384.97 : x
  2. Step 2: Convert to fraction form
    157,460,024.82/236,496,536.93 = 128,335,384.97/x
  3. Step 3: Cross multiply
    157,460,024.82x = 236,496,536.93 × 128,335,384.97
  4. Step 4: Simplify right side
    157,460,024.82x = 30,350,874,111,008,592
  5. Step 5: Solve for x
    x = 30,350,874,111,008,592/157,460,024.82
  6. Step 6: Final answer
    x = 192,752,885.34

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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.