Home / 116,640,862.40-174,961,293.60-86,407,774.40

Finding the Fourth Proportional to 116,640,862.40, 174,961,293.60 and 86,407,774.40

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Solution

The fourth proportional to 116,640,862.40, 174,961,293.60 and 86,407,774.40 is: 129,611,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,862.40 : 174,961,293.60 = 86,407,774.40 : x
  2. Step 2: Convert to fraction form
    116,640,862.40/174,961,293.60 = 86,407,774.40/x
  3. Step 3: Cross multiply
    116,640,862.40x = 174,961,293.60 × 86,407,774.40
  4. Step 4: Simplify right side
    116,640,862.40x = 15,118,015,986,120,964
  5. Step 5: Solve for x
    x = 15,118,015,986,120,964/116,640,862.40
  6. Step 6: Final answer
    x = 129,611,661.60

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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.