Home / 116,640,459.90-174,960,689.85-86,407,371.90

Finding the Fourth Proportional to 116,640,459.90, 174,960,689.85 and 86,407,371.90

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Solution

The fourth proportional to 116,640,459.90, 174,960,689.85 and 86,407,371.90 is: 129,611,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,459.90 : 174,960,689.85 = 86,407,371.90 : x
  2. Step 2: Convert to fraction form
    116,640,459.90/174,960,689.85 = 86,407,371.90/x
  3. Step 3: Cross multiply
    116,640,459.90x = 174,960,689.85 × 86,407,371.90
  4. Step 4: Simplify right side
    116,640,459.90x = 15,117,893,395,749,506
  5. Step 5: Solve for x
    x = 15,117,893,395,749,506/116,640,459.90
  6. Step 6: Final answer
    x = 129,611,057.85

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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.