Home / 166,005,739.80-249,008,609.70-97,130,986.20

Finding the Fourth Proportional to 166,005,739.80, 249,008,609.70 and 97,130,986.20

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Solution

The fourth proportional to 166,005,739.80, 249,008,609.70 and 97,130,986.20 is: 145,696,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,005,739.80 : 249,008,609.70 = 97,130,986.20 : x
  2. Step 2: Convert to fraction form
    166,005,739.80/249,008,609.70 = 97,130,986.20/x
  3. Step 3: Cross multiply
    166,005,739.80x = 249,008,609.70 × 97,130,986.20
  4. Step 4: Simplify right side
    166,005,739.80x = 24,186,451,832,451,884
  5. Step 5: Solve for x
    x = 24,186,451,832,451,884/166,005,739.80
  6. Step 6: Final answer
    x = 145,696,479.30

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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.