Home / 127,852,840.74-176,484,900.90-83,802,678.34

Finding the Fourth Proportional to 127,852,840.74, 176,484,900.90 and 83,802,678.34

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Solution

The fourth proportional to 127,852,840.74, 176,484,900.90 and 83,802,678.34 is: 115,679,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852,840.74 : 176,484,900.90 = 83,802,678.34 : x
  2. Step 2: Convert to fraction form
    127,852,840.74/176,484,900.90 = 83,802,678.34/x
  3. Step 3: Cross multiply
    127,852,840.74x = 176,484,900.90 × 83,802,678.34
  4. Step 4: Simplify right side
    127,852,840.74x = 14,789,907,380,688,038
  5. Step 5: Solve for x
    x = 14,789,907,380,688,038/127,852,840.74
  6. Step 6: Final answer
    x = 115,679,145.61

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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.