Home / 88,085,852.60-132,128,778.90-65,411,036.60

Finding the Fourth Proportional to 88,085,852.60, 132,128,778.90 and 65,411,036.60

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Solution

The fourth proportional to 88,085,852.60, 132,128,778.90 and 65,411,036.60 is: 98,116,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085,852.60 : 132,128,778.90 = 65,411,036.60 : x
  2. Step 2: Convert to fraction form
    88,085,852.60/132,128,778.90 = 65,411,036.60/x
  3. Step 3: Cross multiply
    88,085,852.60x = 132,128,778.90 × 65,411,036.60
  4. Step 4: Simplify right side
    88,085,852.60x = 8,642,680,392,541,208
  5. Step 5: Solve for x
    x = 8,642,680,392,541,208/88,085,852.60
  6. Step 6: Final answer
    x = 98,116,554.90

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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.