Home / 141,721,903.60-212,582,855.40-107,457,737.20

Finding the Fourth Proportional to 141,721,903.60, 212,582,855.40 and 107,457,737.20

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Solution

The fourth proportional to 141,721,903.60, 212,582,855.40 and 107,457,737.20 is: 161,186,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,721,903.60 : 212,582,855.40 = 107,457,737.20 : x
  2. Step 2: Convert to fraction form
    141,721,903.60/212,582,855.40 = 107,457,737.20/x
  3. Step 3: Cross multiply
    141,721,903.60x = 212,582,855.40 × 107,457,737.20
  4. Step 4: Simplify right side
    141,721,903.60x = 22,843,672,608,798,804
  5. Step 5: Solve for x
    x = 22,843,672,608,798,804/141,721,903.60
  6. Step 6: Final answer
    x = 161,186,605.80

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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.