Home / 107,956,772.80-161,935,159.20-97,543,153.60

Finding the Fourth Proportional to 107,956,772.80, 161,935,159.20 and 97,543,153.60

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Solution

The fourth proportional to 107,956,772.80, 161,935,159.20 and 97,543,153.60 is: 146,314,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,956,772.80 : 161,935,159.20 = 97,543,153.60 : x
  2. Step 2: Convert to fraction form
    107,956,772.80/161,935,159.20 = 97,543,153.60/x
  3. Step 3: Cross multiply
    107,956,772.80x = 161,935,159.20 × 97,543,153.60
  4. Step 4: Simplify right side
    107,956,772.80x = 15,795,666,107,086,050
  5. Step 5: Solve for x
    x = 15,795,666,107,086,050/107,956,772.80
  6. Step 6: Final answer
    x = 146,314,730.40

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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.