Home / 166,490,783.80-249,736,175.70-70,740,230.20

Finding the Fourth Proportional to 166,490,783.80, 249,736,175.70 and 70,740,230.20

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Solution

The fourth proportional to 166,490,783.80, 249,736,175.70 and 70,740,230.20 is: 106,110,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,490,783.80 : 249,736,175.70 = 70,740,230.20 : x
  2. Step 2: Convert to fraction form
    166,490,783.80/249,736,175.70 = 70,740,230.20/x
  3. Step 3: Cross multiply
    166,490,783.80x = 249,736,175.70 × 70,740,230.20
  4. Step 4: Simplify right side
    166,490,783.80x = 17,666,394,558,285,646
  5. Step 5: Solve for x
    x = 17,666,394,558,285,646/166,490,783.80
  6. Step 6: Final answer
    x = 106,110,345.30

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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.