Home / 88,068,342.40-132,102,513.60-57,457,340.80

Finding the Fourth Proportional to 88,068,342.40, 132,102,513.60 and 57,457,340.80

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Solution

The fourth proportional to 88,068,342.40, 132,102,513.60 and 57,457,340.80 is: 86,186,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068,342.40 : 132,102,513.60 = 57,457,340.80 : x
  2. Step 2: Convert to fraction form
    88,068,342.40/132,102,513.60 = 57,457,340.80/x
  3. Step 3: Cross multiply
    88,068,342.40x = 132,102,513.60 × 57,457,340.80
  4. Step 4: Simplify right side
    88,068,342.40x = 7,590,259,144,451,834
  5. Step 5: Solve for x
    x = 7,590,259,144,451,834/88,068,342.40
  6. Step 6: Final answer
    x = 86,186,011.20

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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.