Home / 127,852,852.14-176,484,916.67-83,802,689.78

Finding the Fourth Proportional to 127,852,852.14, 176,484,916.67 and 83,802,689.78

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Solution

The fourth proportional to 127,852,852.14, 176,484,916.67 and 83,802,689.78 is: 115,679,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852,852.14 : 176,484,916.67 = 83,802,689.78 : x
  2. Step 2: Convert to fraction form
    127,852,852.14/176,484,916.67 = 83,802,689.78/x
  3. Step 3: Cross multiply
    127,852,852.14x = 176,484,916.67 × 83,802,689.78
  4. Step 4: Simplify right side
    127,852,852.14x = 14,789,910,721,243,722
  5. Step 5: Solve for x
    x = 14,789,910,721,243,722/127,852,852.14
  6. Step 6: Final answer
    x = 115,679,161.42

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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.