Home / 83,009,838.60-124,550,187.30-39,856,829.40

Finding the Fourth Proportional to 83,009,838.60, 124,550,187.30 and 39,856,829.40

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Solution

The fourth proportional to 83,009,838.60, 124,550,187.30 and 39,856,829.40 is: 59,802,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,009,838.60 : 124,550,187.30 = 39,856,829.40 : x
  2. Step 2: Convert to fraction form
    83,009,838.60/124,550,187.30 = 39,856,829.40/x
  3. Step 3: Cross multiply
    83,009,838.60x = 124,550,187.30 × 39,856,829.40
  4. Step 4: Simplify right side
    83,009,838.60x = 4,964,175,566,954,146
  5. Step 5: Solve for x
    x = 4,964,175,566,954,146/83,009,838.60
  6. Step 6: Final answer
    x = 59,802,255.38

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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.