Home / 141,721,901.60-212,582,852.40-107,457,735.20

Finding the Fourth Proportional to 141,721,901.60, 212,582,852.40 and 107,457,735.20

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Solution

The fourth proportional to 141,721,901.60, 212,582,852.40 and 107,457,735.20 is: 161,186,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,721,901.60 : 212,582,852.40 = 107,457,735.20 : x
  2. Step 2: Convert to fraction form
    141,721,901.60/212,582,852.40 = 107,457,735.20/x
  3. Step 3: Cross multiply
    141,721,901.60x = 212,582,852.40 × 107,457,735.20
  4. Step 4: Simplify right side
    141,721,901.60x = 22,843,671,861,259,884
  5. Step 5: Solve for x
    x = 22,843,671,861,259,884/141,721,901.60
  6. Step 6: Final answer
    x = 161,186,602.80

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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.