Home / 116,640,752.90-174,961,129.35-86,407,664.90

Finding the Fourth Proportional to 116,640,752.90, 174,961,129.35 and 86,407,664.90

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Solution

The fourth proportional to 116,640,752.90, 174,961,129.35 and 86,407,664.90 is: 129,611,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,752.90 : 174,961,129.35 = 86,407,664.90 : x
  2. Step 2: Convert to fraction form
    116,640,752.90/174,961,129.35 = 86,407,664.90/x
  3. Step 3: Cross multiply
    116,640,752.90x = 174,961,129.35 × 86,407,664.90
  4. Step 4: Simplify right side
    116,640,752.90x = 15,117,982,635,400,356
  5. Step 5: Solve for x
    x = 15,117,982,635,400,356/116,640,752.90
  6. Step 6: Final answer
    x = 129,611,497.35

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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.