Home / 116,640,864.40-174,961,296.60-86,407,776.40

Finding the Fourth Proportional to 116,640,864.40, 174,961,296.60 and 86,407,776.40

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Solution

The fourth proportional to 116,640,864.40, 174,961,296.60 and 86,407,776.40 is: 129,611,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,864.40 : 174,961,296.60 = 86,407,776.40 : x
  2. Step 2: Convert to fraction form
    116,640,864.40/174,961,296.60 = 86,407,776.40/x
  3. Step 3: Cross multiply
    116,640,864.40x = 174,961,296.60 × 86,407,776.40
  4. Step 4: Simplify right side
    116,640,864.40x = 15,118,016,595,266,880
  5. Step 5: Solve for x
    x = 15,118,016,595,266,880/116,640,864.40
  6. Step 6: Final answer
    x = 129,611,664.60

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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.