Home / 105,443,814.60-158,260,200.30-91,083,097.80

Finding the Fourth Proportional to 105,443,814.60, 158,260,200.30 and 91,083,097.80

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Solution

The fourth proportional to 105,443,814.60, 158,260,200.30 and 91,083,097.80 is: 136,706,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,443,814.60 : 158,260,200.30 = 91,083,097.80 : x
  2. Step 2: Convert to fraction form
    105,443,814.60/158,260,200.30 = 91,083,097.80/x
  3. Step 3: Cross multiply
    105,443,814.60x = 158,260,200.30 × 91,083,097.80
  4. Step 4: Simplify right side
    105,443,814.60x = 14,414,829,301,772,490
  5. Step 5: Solve for x
    x = 14,414,829,301,772,490/105,443,814.60
  6. Step 6: Final answer
    x = 136,706,257.80

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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.