Home / 127,852,840.98-176,484,901.23-83,802,678.59

Finding the Fourth Proportional to 127,852,840.98, 176,484,901.23 and 83,802,678.59

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Solution

The fourth proportional to 127,852,840.98, 176,484,901.23 and 83,802,678.59 is: 115,679,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852,840.98 : 176,484,901.23 = 83,802,678.59 : x
  2. Step 2: Convert to fraction form
    127,852,840.98/176,484,901.23 = 83,802,678.59/x
  3. Step 3: Cross multiply
    127,852,840.98x = 176,484,901.23 × 83,802,678.59
  4. Step 4: Simplify right side
    127,852,840.98x = 14,789,907,452,883,160
  5. Step 5: Solve for x
    x = 14,789,907,452,883,160/127,852,840.98
  6. Step 6: Final answer
    x = 115,679,145.96

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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.