Home / 166,003,000.80-249,004,501.20-147,349,421.70

Finding the Fourth Proportional to 166,003,000.80, 249,004,501.20 and 147,349,421.70

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Solution

The fourth proportional to 166,003,000.80, 249,004,501.20 and 147,349,421.70 is: 221,024,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,003,000.80 : 249,004,501.20 = 147,349,421.70 : x
  2. Step 2: Convert to fraction form
    166,003,000.80/249,004,501.20 = 147,349,421.70/x
  3. Step 3: Cross multiply
    166,003,000.80x = 249,004,501.20 × 147,349,421.70
  4. Step 4: Simplify right side
    166,003,000.80x = 36,690,669,252,516,952
  5. Step 5: Solve for x
    x = 36,690,669,252,516,952/166,003,000.80
  6. Step 6: Final answer
    x = 221,024,132.55

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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.