Home / 166,003,345.80-249,005,018.70-163,735,864.20

Finding the Fourth Proportional to 166,003,345.80, 249,005,018.70 and 163,735,864.20

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Solution

The fourth proportional to 166,003,345.80, 249,005,018.70 and 163,735,864.20 is: 245,603,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,003,345.80 : 249,005,018.70 = 163,735,864.20 : x
  2. Step 2: Convert to fraction form
    166,003,345.80/249,005,018.70 = 163,735,864.20/x
  3. Step 3: Cross multiply
    166,003,345.80x = 249,005,018.70 × 163,735,864.20
  4. Step 4: Simplify right side
    166,003,345.80x = 40,771,051,926,981,656
  5. Step 5: Solve for x
    x = 40,771,051,926,981,656/166,003,345.80
  6. Step 6: Final answer
    x = 245,603,796.30

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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.