Home / 166,003,343.80-249,005,015.70-97,128,590.20

Finding the Fourth Proportional to 166,003,343.80, 249,005,015.70 and 97,128,590.20

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Solution

The fourth proportional to 166,003,343.80, 249,005,015.70 and 97,128,590.20 is: 145,692,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,003,343.80 : 249,005,015.70 = 97,128,590.20 : x
  2. Step 2: Convert to fraction form
    166,003,343.80/249,005,015.70 = 97,128,590.20/x
  3. Step 3: Cross multiply
    166,003,343.80x = 249,005,015.70 × 97,128,590.20
  4. Step 4: Simplify right side
    166,003,343.80x = 24,185,506,127,669,864
  5. Step 5: Solve for x
    x = 24,185,506,127,669,864/166,003,343.80
  6. Step 6: Final answer
    x = 145,692,885.30

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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.